[Federal Register Volume 81, Number 186 (Monday, September 26, 2016)]
[Rules and Regulations]
[Pages 65864-65872]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2016-21602]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2011-1068; Directorate Identifier 2010-NM-189-AD;
Amendment 39-18647; AD 2016-18-16]
RIN 2120-AA64
Airworthiness Directives; The Boeing Company Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
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SUMMARY: We are adopting a new airworthiness directive (AD) for all The
Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series
airplanes. This AD was prompted by fuel system reviews conducted by the
manufacturer. This AD requires installing an automatic shutoff system
for the center and auxiliary tank fuel boost pumps, as applicable;
installing a placard in the airplane flight deck if necessary;
replacing the P5-2 fuel system module assembly; installing the
``uncommanded ON'' (UCO) protection system for the fuel boost pumps;
revising the airplane flight manual (AFM) to advise the flight crew of
certain operating restrictions for airplanes equipped with an automatic
shutoff system; and revising the maintenance program by incorporating
new airworthiness limitations for fuel tank systems to satisfy Special
Federal Aviation Regulation No. 88 requirements. We are issuing this AD
to prevent operation of the center and auxiliary tank fuel boost pumps
with continuous low pressure, which could lead to friction sparks or
overheating in the fuel pump inlet that could create a potential
ignition source inside the center and auxiliary fuel tanks. These
conditions, in combination with flammable fuel vapors, could result in
a fuel tank explosion and consequent loss of the airplane.
DATES: This AD is effective October 31, 2016.
The Director of the Federal Register approved the incorporation by
reference of certain publications listed in this AD as of October 31,
2016.
ADDRESSES: For Boeing service information identified in this final
rule, contact Boeing Commercial Airplanes, Attention: Data & Services
Management, P.O. Box 3707, MC 2H-65, Seattle, WA 98124-2207; telephone:
206-544-5000, extension 1; fax: 206-766-5680; Internet https://www.myboeingfleet.com. For BAE Systems service information identified
in this final rule, contact BAE Systems, Attention: Commercial Product
Support, 600 Main Street, Room S18C, Johnson City, NY 13790-1806;
phone: 607-770-3084; fax: 607-770-3015; email: [email protected]; Internet: http://www.baesystems-ps.com/customersupport. You may view this referenced service
information at the FAA, Transport Airplane Directorate, 1601 Lind
Avenue SW., Renton, WA. For information on the availability of this
material at the FAA, call 425-227-1221. It is also available on the
Internet at http://www.regulations.gov by searching for and locating
Docket No. FAA-2011-1068.
Examining the AD Docket
You may examine the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2011-
1068; or in person at the Docket Management Facility between 9 a.m. and
5 p.m., Monday through Friday, except Federal holidays. The AD docket
contains this AD, the regulatory evaluation, any comments received, and
other information. The address for the Docket Office (phone: 800-647-
5527) is Docket Management Facility, U.S. Department of Transportation,
Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200
New Jersey Avenue SE., Washington, DC 20590.
FOR FURTHER INFORMATION CONTACT: Serj Harutunian, Aerospace Engineer,
Propulsion Branch, ANM-140L, FAA, Los Angeles Aircraft Certification
Office (ACO), 3960 Paramount Boulevard, Lakewood, CA 90712-4137; phone:
562-627-5254; fax: 562-627-5210; email: [email protected].
SUPPLEMENTARY INFORMATION:
Discussion
We issued a supplemental notice of proposed rulemaking (SNPRM) to
amend 14 CFR part 39 by adding an AD that would apply to all The Boeing
Company Model 737-100, -200, -200C, -300, -400, and -500 series
airplanes. The SNPRM published in the Federal Register on March 28,
2016 (81 FR 17098) (``the SNPRM''). We preceded the SNPRM with a notice
of proposed rulemaking (NPRM) that published in the Federal Register on
October 12, 2011 (76 FR 63229) (``the NPRM''). The NPRM proposed to
require installing an automatic shutoff system for the center and
auxiliary tank fuel boost pumps, as applicable; installing a placard in
the airplane flight deck if necessary; replacing the P5-2 fuel system
module assembly; installing the UCO protection system for the fuel
boost pumps; revising the airplane flight manual to advise the flight
crew of certain operating restrictions for airplanes equipped with an
automatic shutoff system; and revising the maintenance program by
incorporating new airworthiness limitations for fuel tank systems to
satisfy Special Federal Aviation Regulation No. 88 requirements. The
NPRM was prompted by fuel system reviews conducted by the manufacturer.
The SNPRM proposed to require updated or additional actions for certain
airplane configurations. We are issuing this AD to prevent operation of
the center and auxiliary tank fuel boost pumps with continuous low
pressure, which could lead to friction sparks or overheating in the
fuel pump inlet that could create a potential ignition source inside
the center and auxiliary fuel tanks. These conditions, in combination
with flammable fuel vapors, could result in a fuel tank explosion and
consequent loss of the airplane.
Comments
We gave the public the opportunity to participate in developing
this AD. The following presents the comments
[[Page 65865]]
received on the SNPRM and the FAA's response to each comment. Boeing
concurred with the SNPRM.
Grouping Clarification for Airplanes With Removed Airstairs
Phillippe Akot Azougo, ASLF, reported on a discussion with Boeing
regarding the applicable airplane group for an airplane from which the
airstair has been removed. Boeing indicated that if all of the support
structure is not removed, the airplane is considered in the group with
airstairs. Based on this comment, there is no need to change this final
rule regarding this issue.
Effect of Winglets on Accomplishment of the Proposed Actions
Aviation Partners Boeing stated that the installation of winglets
per Supplemental Type Certificate (STC) ST01219SE does not affect the
accomplishment of the manufacturer's service instructions.
We agree with the commenter that STC ST01219SE does not affect the
accomplishment of the manufacturer's service instructions. Therefore,
the installation of STC ST01219SE does not affect the ability to
accomplish the actions required by this AD. We have not changed this AD
in this regard.
Conclusion
We reviewed the relevant data, considered the comments received,
and determined that air safety and the public interest require adopting
this AD as proposed, except for minor editorial changes. We have
determined that these minor changes:
Are consistent with the intent that was proposed in the
SNPRM for correcting the unsafe condition; and
Do not add any additional burden upon the public than was
already proposed in the SNPRM.
We also determined that these changes will not increase the economic
burden on any operator or increase the scope of this AD.
Related Service Information Under 1 CFR Part 51
We reviewed the following service information:
The following describe procedures for replacing the P5-2 fuel
system module assembly for Model 737-100, -200, -200C, -300, -400, and
-500 airplanes.
Boeing Alert Service Bulletin 737-28A1210, dated August 2,
2010.
Boeing Service Bulletin 737-28A1210, Revision 1, dated May
13, 2011.
Boeing Service Bulletin 737-28A1210, Revision 2, dated
October 25, 2012.
The following describe procedures for installing an automatic
shutoff system for the center and auxiliary fuel tank boost pumps for
Model 737-300, -400, and -500 airplanes.
Boeing Alert Service Bulletin 737-28A1216, dated July 29,
2010.
Boeing Service Bulletin 737-28A1216, Revision 1, dated
March 26, 2012.
Boeing Service Bulletin 737-28A1216, Revision 2, dated
November 12, 2012.
Boeing Service Bulletin 737-28A1216, Revision 3, dated
July 16, 2014.
The following describe procedures for installing a UCO protection
system for the center and auxiliary fuel boost pumps for Model 737-100,
-200, -200C, -300, -400, and -500 airplanes.
Boeing Alert Service Bulletin 737-28A1227, dated August 2,
2010.
Boeing Alert Service Bulletin 737-28A1227, Revision 1,
dated July 18, 2011.
Boeing Service Bulletin 737-28A1227, Revision 2, dated
September 23, 2014.
The following describe procedures for installing an automatic
shutoff system for the center and auxiliary fuel tank boost pumps for
Model 737-100, -200, and -200C airplanes.
Boeing Alert Service Bulletin 737-28A1228, dated August 2,
2010.
Boeing Alert Service Bulletin 737-28A1228, Revision 1,
dated June 28, 2012.
Boeing 737-100/200/200C/300/400/500 Airworthiness
Limitations (AWLs) and Certification Maintenance Requirements (CMRs),
Document D6-38278-CMR, Revision June 2014, contains, among other
requirements, AWLs 28-AWL-21, 28-AWL-22, 28-AWL-24, and 28-AWL-25 for
Model 737-100, -200, and -200C airplanes; and AWLs 28-AWL-20, 28-AWL-
21, 28-AWL-23, and 28-AWL-24; for Model 737-300, -400, and -500
airplanes. These AWLs provide airworthiness limitation instructions for
an operational check of the installed automatic shutoff system.
This service information is reasonably available because the
interested parties have access to it through their normal course of
business or by the means identified in the ADDRESSES section.
Costs of Compliance
We estimate that this AD affects 499 airplanes of U.S. registry. We
estimate the following costs to comply with this AD:
Estimated Costs
----------------------------------------------------------------------------------------------------------------
Cost on U.S.
Action Labor cost Parts cost Cost per product operators
----------------------------------------------------------------------------------------------------------------
Install auto shutoff protection Between 92 and 155 Between $10,792 Between $18,612 Between $1,526,184
for Model 737-100, -200, -200C work-hours x $85 and $15,548 \1\. and $28,723 \1\. and $2,355,286
airplanes (82 airplanes). per hours = \1\.
Between $7,820
and $13,175 \1\.
Install auto shutoff protection Between 92 and 152 Between $9,869 and Between $17,689 Between $7,376,313
for Model 737-300, -400, and - work-hours x $85 $16,236 \1\. and $29,156 \1\. and $12,158,052
500 airplanes (417 airplanes). per hours = \1\.
Between $7,820
and $12,920 \1\.
Install P5-2 module (499 1 work-hour x $85 $0................ $85............... $42,415.
airplanes). per hour = $85.
Install UCO protection (499 Between 38 and 67 Between $3,742 and Between $6,972 and Between $3,479,028
airplanes). work-hours x $85 $4,861 \1\. $10,556 \1\. and $5,267,444
per hours = \1\.
Between $3,230
and $5,695 \1\.
Revise airplane flight manual 1 work-hour x $85 $0................ $85............... $42,415
(499 airplanes). per hour = $85.
Revise maintenance program (499 1 work-hour x $85 $0................ $85............... $42,415
airplanes). per hour = $85.
----------------------------------------------------------------------------------------------------------------
\1\ Depending on group.
[[Page 65866]]
Authority for This Rulemaking
Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, section 106, describes the
authority of the FAA Administrator. Subtitle VII: Aviation Programs,
describes in more detail the scope of the Agency's authority.
We are issuing this rulemaking under the authority described in
Subtitle VII, Part A, Subpart III, Section 44701: ``General
requirements.'' Under that section, Congress charges the FAA with
promoting safe flight of civil aircraft in air commerce by prescribing
regulations for practices, methods, and procedures the Administrator
finds necessary for safety in air commerce. This regulation is within
the scope of that authority because it addresses an unsafe condition
that is likely to exist or develop on products identified in this
rulemaking action.
Regulatory Findings
This AD will not have federalism implications under Executive Order
13132. This AD will not have a substantial direct effect on the States,
on the relationship between the national government and the States, or
on the distribution of power and responsibilities among the various
levels of government.
For the reasons discussed above, I certify that this AD:
(1) Is not a ``significant regulatory action'' under Executive
Order 12866,
(2) Is not a ``significant rule'' under DOT Regulatory Policies and
Procedures (44 FR 11034, February 26, 1979),
(3) Will not affect intrastate aviation in Alaska, and
(4) Will not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.
Adoption of the Amendment
Accordingly, under the authority delegated to me by the
Administrator, the FAA amends 14 CFR part 39 as follows:
PART 39--AIRWORTHINESS DIRECTIVES
0
1. The authority citation for part 39 continues to read as follows:
Authority: 49 U.S.C. 106(g), 40113, 44701.
Sec. 39.13 [Amended]
0
2. The FAA amends Sec. 39.13 by adding the following new airworthiness
directive (AD):
2016-18-16 The Boeing Company: Amendment 39-18647; Docket No. FAA-
2011-1068; Directorate Identifier 2010-NM-189-AD.
(a) Effective Date
This AD is effective October 31, 2016.
(b) Affected ADs
Certain requirements of this AD terminate certain requirements
of AD 2001-08-24, Amendment 39-12201 (66 FR 20733, April 25, 2001)
(``AD 2001-08-24'').
(c) Applicability
This AD affects all The Boeing Company Model 737-100, -200, -
200C, -300, -400, and -500 series airplanes; certificated in any
category.
(d) Subject
Air Transport Association (ATA) of America Code 28, Fuel.
(e) Unsafe Condition
This AD was prompted by fuel system reviews conducted by the
manufacturer. We are issuing this AD to prevent operation of the
center and auxiliary tank fuel boost pumps with continuous low
pressure, which could lead to friction sparks or overheating in the
fuel pump inlet that could create a potential ignition source inside
the center and auxiliary fuel tanks. These conditions, in
combination with flammable fuel vapors, could result in a fuel tank
explosion and consequent loss of the airplane.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Installation of Automatic Shutoff System for the Center and
Auxiliary Tank Fuel Boost Pumps
Within 36 months after the effective date of this AD, do the
applicable actions specified in paragraph (g)(1), (g)(2), or (g)(3)
of this AD. If a placard has been previously installed on an
airplane, in accordance with the requirements of paragraph (i) of
this AD, the placard may be removed from the flight deck of only
that airplane after the automatic shutoff system has been installed,
as specified in paragraph (g)(1), (g)(2), or (g)(3) of this AD, as
applicable.
(1) For Model 737-100, -200, and -200C series airplanes in
Groups 2 through 19, as identified in Boeing Alert Service Bulletin
737-28A1228, Revision 1, dated June 28, 2012: Install the automatic
shutoff system for the center and auxiliary fuel tank boost pumps,
as applicable, in accordance with the Accomplishment Instructions of
Boeing Alert Service Bulletin 737-28A1228, Revision 1, dated June
28, 2012. For airplanes that do not have airstairs, accomplishment
of the actions specified in Boeing Alert Service Bulletin 737-
28A1228, dated August 2, 2010, is acceptable for compliance with the
requirements of this paragraph, provided markers are installed on
the J2802 Box for ``POS 1'' and ``POS 2'' within 90 days after the
effective date of this AD, in accordance with Boeing Alert Service
Bulletin 737-28A1228, Revision 1, dated June 28, 2012.
(2) For Model 737-100, -200, and -200C series airplanes in Group
1, as identified in Boeing Alert Service Bulletin 737-28A1228,
Revision 1, dated June 28, 2012: Install the automatic shutoff
system for the center and auxiliary fuel tank boost pumps, as
applicable, using a method approved in accordance with the
procedures specified in paragraph (r) of this AD.
(3) For Model 737-300, -400, and -500 series airplanes in Groups
1 through 31, as identified in Boeing Service Bulletin 737-28A1216,
Revision 3, dated July 16, 2014: Install the automatic shutoff
system for the center and auxiliary fuel tank boost pumps, as
applicable, in accordance with the Accomplishment Instructions of
Boeing Service Bulletin 737-28A1216, Revision 3, dated July 16,
2014. For airplanes that do not have airstairs: Accomplishment of
the actions specified in Boeing Alert Service Bulletin 737-28A1216,
dated July 29, 2010, is acceptable for compliance with the
requirements of this paragraph, provided markers are installed on
the J2802 Box for ``POS 1'' and ``POS 2'' within 90 days after the
effective date of this AD, in accordance with Boeing Alert Service
Bulletin 737-28A1216, Revision 1, dated March 26, 2012; or Boeing
Service Bulletin 737-28A1216, Revision 2, dated November 12, 2012.
(h) Concurrent Installation of P5-2 Fuel System Module Assembly
Before or concurrently with accomplishment of the actions
required by paragraph (g) of this AD, do the actions specified in
paragraph (h)(1) or (h)(2) of this AD, as applicable. Accomplishment
of the actions specified in Boeing Alert Service Bulletin 737-
28A1210, dated August 2, 2010; or Boeing Service Bulletin 737-
28A1210, Revision 1, dated May 13, 2011; is acceptable for
compliance with the requirements of paragraph (h)(1) of this AD,
provided that for any original P5-2 fuel system module P/N 69-37335-
129 installed that has been reworked as specified in BAE Systems
Service Bulletin 69-37335-28-04, Revision 2, dated February 10,
2010, the (P/N) marking is etched/scribed or labeled as P/N 69-
37335-2129, within 90 days after the effective date of this AD.
(1) For airplanes in Group 2, as identified in Boeing Service
Bulletin 737-28A1210, Revision 2, dated October 25, 2012: Replace
the P5-2 fuel system module assembly with a modified or new P5-2
fuel system module assembly having a new part number, in accordance
with Boeing Service Bulletin 737-28A1210, Revision 2, dated October
25, 2012.
Note 1 to paragraph (h)(1) of this AD: Boeing Service Bulletin
737-28A1210, Revision 2, dated October 25, 2012, refers to BAE
Systems Service Bulletin 69-37335-28-04 as an additional source of
guidance for modifying and updating the existing P5-2 fuel system
module assembly part numbers.
(2) For airplanes in Group 1, as identified in Boeing Service
Bulletin 737-28A1210,
[[Page 65867]]
Revision 2, dated October 25, 2012: Replace the P5-2 fuel system
module assembly, as applicable, using a method approved in
accordance with the procedures specified in paragraph (r) of this
AD.
(i) Concurrent Installation of a Placard for Mixed Fleet Operation
Concurrently with accomplishment of the actions required by
paragraph (g) of this AD, install a placard adjacent to the pilot's
primary flight display on all airplanes in the operator's fleet not
equipped with an automatic shutoff system for the center and
auxiliary tank fuel boost pumps, as applicable. The placard must
include the statement in figure 1 to paragraph (i) of this AD.
Optionally, the placard may include alternative text or be installed
in a different location, or an additional placard may be installed,
if approved by an appropriate FAA principal operations inspector.
Installing an automatic shutoff system on an airplane, in accordance
with the requirements of paragraph (g) of this AD, terminates the
placard installation required by this paragraph for only that
airplane.
[GRAPHIC] [TIFF OMITTED] TR26SE16.000
(j) Airplane Flight Manual (AFM) Revisions for Airplanes Without Boeing
Auxiliary Fuel Tanks
For airplanes without Boeing auxiliary fuel tanks: Concurrently
with accomplishment of the actions required by paragraph (g) of this
AD, do the actions specified in paragraphs (j)(1) and (j)(2) of this
AD.
(1) Revise Section 1 of the Limitations section of the
applicable Boeing 737 AFM to include the statement in figure 2 to
paragraph (j)(1) of this AD. This may be done by inserting a copy of
this AD into the AFM. When a statement identical to that in figure 2
to paragraph (j)(1) of this AD has been included in the general
revisions of the applicable Boeing 737 AFM, the general revisions
may be inserted into the AFM, and the copy of this AD may be removed
from the AFM.
[GRAPHIC] [TIFF OMITTED] TR26SE16.001
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(2) Revise Section 3 of the Normal Procedures section of the
applicable Boeing 737 AFM to include the text specified in figure 3
to paragraph (j)(2) of this AD. This may be done by inserting a copy
of this AD into the AFM. Alternative statements that meet the intent
of the following requirements may be used if approved by an
appropriate FAA principal operations inspector.
[[Page 65868]]
[GRAPHIC] [TIFF OMITTED] TR26SE16.002
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(k) AFM Revisions for Airplanes With Boeing Auxiliary Fuel Tanks
For airplanes with Boeing auxiliary fuel tanks: Concurrently
with accomplishment of the actions required by paragraph (g) of this
AD, do the actions specified in paragraphs (k)(1) and (k)(2) of this
AD.
(1) Revise Section 1 of the Limitations section of the
applicable Boeing 737 AFM to include the text specified in figure 4
to paragraph (k)(1) of this AD. This may be done by inserting a copy
of this AD into the AFM. When a statement identical to that in
figure 4 to paragraph (k)(1) of this AD has been included in the
general revisions of the applicable Boeing 737 AFM, the general
revisions may be inserted into the AFM, and the copy of this AD may
be removed from the AFM.
[[Page 65869]]
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(2) Revise Section 3 of the Normal Procedures section of the
applicable Boeing 737 AFM to include the text specified in figure 5
to paragraph (k)(2) of this AD. This may be done by inserting a copy
of this AD into the AFM. Alternative statements that meet the intent
of the following requirements may be used if approved by an
appropriate FAA principal operations inspector.
[[Page 65870]]
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BILLING CODE 4910-13-C
(l) Airworthiness Limitations (AWLs) Revision for Automatic Shutoff
System
Concurrently with accomplishment of the actions required by
paragraph (g) of this AD, or within 30 days after the effective date
of this AD, whichever occurs later: Revise the maintenance program
by incorporating the AWLs specified in paragraphs (l)(1), (l)(2),
(l)(3), and (l)(4) of this AD, as applicable. The initial compliance
time for the actions specified in the applicable AWLs is within 1
year after accomplishment of the installation required by paragraph
(g) of this AD, or within 1 year after the effective date of this
AD, whichever occurs later.
(1) For Model 737-100, -200, and -200C series airplanes without
Boeing auxiliary fuel tanks installed: Incorporate AWL No. 28-AWL-21
of Section C., Airworthiness Limitations--Systems, of Boeing 737-
100/200/200C/300/400/500 Airworthiness Limitations (AWLs) and
Certification Maintenance Requirements (CMRs), Document D6-38278-
CMR, Revision June 2014.
(2) For Model 737-100, -200, and -200C series airplanes with
Boeing auxiliary fuel tanks installed: Incorporate AWL No. 28-AWL-21
and AWL No. 28-AWL-22 of Section C., Airworthiness Limitations--
Systems,'' of Boeing 737-100/200/200C/300/400/500 Airworthiness
Limitations (AWLs) and Certification Maintenance Requirements
(CMRs), Document D6-38278-CMR, Revision June 2014.
(3) For Model 737-300, -400, and -500 series airplanes without
Boeing auxiliary fuel tanks installed: Incorporate AWL No. 28-AWL-20
of Section C., Airworthiness Limitations--Systems, of Boeing 737-
100/200/200C/300/400/500 Airworthiness Limitations (AWLs) and
Certification Maintenance Requirements (CMRs), Document D6-38278-
CMR, Revision June 2014.
(4) For Model 737-300, -400, and -500 series airplanes with
Boeing auxiliary fuel tanks installed: Incorporate AWL No. 28-AWL-20
and AWL No. 28-AWL-21 of
[[Page 65871]]
Section C., Airworthiness Limitations--Systems, of Boeing 737-100/
200/200C/300/400/500 Airworthiness Limitations (AWLs) and
Certification Maintenance Requirements (CMRs), Document D6-38278-
CMR, Revision June 2014.
(m) Installation of Un-commanded ON (UCO) Protection System
Within 60 months after the effective date of this AD, do the
actions required by paragraph (m)(1) or (m)(2) of this AD, as
applicable.
(1) For airplanes in Groups 2 through 13, as identified in
Boeing Service Bulletin 737-28A1227, Revision 2, dated September 23,
2014: Install the UCO protection system for the center and auxiliary
tank fuel boost pumps, as applicable, in accordance with the
Accomplishment Instructions of Boeing Service Bulletin 737-28A1227,
Revision 2, dated September 23, 2014. For airplanes with enlarged
J2802 box assembly relay cutouts to fit the body of relays R3334,
R3336, R3338, or R3340, with BACS12HN08-10 screws for the
installation of the relays as specified in Boeing Service Bulletin
Information Notice 737-28A1227 IN 05: Accomplishment of the actions
specified in Boeing Alert Service Bulletin 737-28A1227, dated August
2, 2010; or Revision 1, dated July 18, 2011; is acceptable for
compliance with the requirements of this paragraph, provided markers
are installed that identify the function of the switches installed
on the J2802 box within 90 days after the effective date of this AD,
in accordance with figure 1 or figure 5, as applicable, of Boeing
Service Bulletin 737-28A1227, Revision 2, dated September 23, 2014.
(2) For airplanes in Group 1, as identified in Boeing Service
Bulletin 737-28A1227, Revision 2, dated September 23, 2014: Install
the UCO protection system for the center and auxiliary tank fuel
boost pumps, as applicable, using a method approved in accordance
with the procedures specified in paragraph (r) of this AD.
(n) AWLs Revision for UCO Protection System
Concurrently with accomplishment of the actions required by
paragraph (m) of this AD, or within 30 days after the effective date
of this AD, whichever occurs later: Revise the maintenance program
by incorporating the AWLs specified in paragraphs (n)(1), (n)(2),
(n)(3), and (n)(4) of this AD, as applicable. The initial compliance
time for the actions specified in applicable AWLs is within 1 year
after accomplishment of the installation required by paragraph (m)
of this AD, or within 1 year after the effective date of this AD,
whichever occurs later.
(1) For Model 737-100, -200, and -200C series airplanes without
Boeing auxiliary fuel tanks: Incorporate AWL No. 28-AWL-24 of
Section C., Airworthiness Limitations--Systems, of Boeing 737-100/
200/200C/300/400/500 Airworthiness Limitations (AWLs) and
Certification Maintenance Requirements (CMRs), Document D6-38278-
CMR, Revision June 2014.
(2) For Model 737-100, -200, and -200C series airplanes with
Boeing auxiliary fuel tanks: Incorporate AWL No. 28-AWL-24 and AWL
No. 28-AWL-25 of Section C., Airworthiness Limitations, of Boeing
737-100/200/200C/300/400/500 Airworthiness Limitations (AWLs) and
Certification Maintenance Requirements (CMRs), Document D6-38278-
CMR, Revision June 2014.
(3) For Model 737-300, -00, and -500 series airplanes without
Boeing auxiliary fuel tanks: Incorporate AWL No. 28-AWL-23 of
Section C., Airworthiness Limitations--Systems, of Boeing 737-100/
200/200C/300/400/500 Airworthiness Limitations (AWLs) and
Certification Maintenance Requirements (CMRs), Document D6-38278-
CMR, Revision June 2014.
(4) For Model 737-300, -400, and -500 series airplanes with
Boeing auxiliary fuel tanks: Incorporate AWL No. 28-AWL-23 and AWL
No. 28-AWL-24 of Section C, ``Fuel Systems Airworthiness
Limitations,'' of Boeing 737-100/200/200C/300/400/500 Airworthiness
Limitations (AWLs) and Certification Maintenance Requirements
(CMRs), Document D6-38278-CMR, Revision June 2014.
(o) No Alternative Inspections or Inspection Intervals
After accomplishment of the applicable actions specified in
paragraphs (l) and (n) of this AD, no alternative inspections or
inspection intervals may be used unless the inspections or
inspection intervals are approved as an alternative method of
compliance (AMOC) in accordance with the procedures specified in
paragraph (r) of this AD.
(p) Method of Compliance for Paragraph (l) of This AD
Incorporating AWL No. 28-AWL-21 and AWL No. 28-AWL-22 for Model
737-100, -200, and -200C series airplanes; and AWL No. 28-AWL-20 and
AWL No. 28-AWL-21 for Model 737-300, -400, and -500 series
airplanes; in accordance with paragraphs (g)(1) and (g)(2) of AD
2008-10-09 R1, Amendment 39-16148 (74 FR 69264, December 31, 2009);
is acceptable for compliance with the corresponding AWL
incorporation required by paragraph (l) of this AD.
(q) Method of Compliance for Paragraph (a) of AD 2001-08-24
Accomplishment of the actions required by paragraphs (g), (h),
(i), and (l) of this AD, and paragraph (j) or (k) of this AD as
applicable, is an acceptable method of compliance with the
requirements of paragraph (a) of AD 2001-08-24.
(r) Alternative Methods of Compliance (AMOCs)
(1) The Manager, Seattle Aircraft Certification Office (ACO),
FAA, has the authority to approve AMOCs for this AD, if requested
using the procedures found in 14 CFR 39.19. In accordance with 14
CFR 39.19, send your request to your principal inspector or local
Flight Standards District Office, as appropriate. If sending
information directly to the manager of the ACO, send it to the
attention of the person identified in paragraph (s)(1) of this AD.
Information may be emailed to [email protected].
(2) Before using any approved AMOC, notify your appropriate
principal inspector, or lacking a principal inspector, the manager
of the local flight standards district office/certificate holding
district office.
(3) An AMOC that provides an acceptable level of safety may be
used for any repair, modification, or alteration required by this AD
if it is approved by the Boeing Commercial Airplanes Organization
Designation Authorization (ODA) that has been authorized by the
Manager, Seattle ACO, to make those findings. To be approved, the
repair method, modification deviation, or alteration deviation must
meet the certification basis of the airplane, and the approval must
specifically refer to this AD.
(s) Related Information
(1) For more information about this AD, contact Serj Harutunian,
Aerospace Engineer, Propulsion Branch, ANM-140L, FAA, Los Angeles
Aircraft Certification Office (ACO), 3960 Paramount Boulevard,
Lakewood, CA 90712-4137; phone: 562-627-5254; fax: 562-627-5210;
email: [email protected].
(2) For BAE Systems service information identified in this AD
that is not incorporated by reference, contact BAE Systems,
Attention: Commercial Product Support, 600 Main Street, Room S18C,
Johnson City, NY 13790-1806; phone: 607-770-3084; fax: 607-770-3015;
email: [email protected]; Internet: http://www.baesystems-ps.com/customersupport. It is also available at the
address specified in paragraph (t)(5) of this AD. Boeing service
information identified in this AD that is not incorporated by
reference is also available at the addresses specified in paragraphs
(t)(4) and (t)(5) of this AD.
(t) Material Incorporated by Reference
(1) The Director of the Federal Register approved the
incorporation by reference (IBR) of the service information listed
in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.
(2) You must use this service information as applicable to do
the actions required by this AD, unless the AD specifies otherwise.
(3) The following service information was approved for IBR on
October 31, 2016.
(i) Boeing Alert Service Bulletin 737-28A1210, dated August 2,
2010.
(ii) Boeing Alert Service Bulletin 737-28A1216, dated July 29,
2010.
(iii) Boeing Alert Service Bulletin 737-28A1216, Revision 1,
dated March 26, 2012.
(iv) Boeing Alert Service Bulletin 737-28A1227, dated August 2,
2010.
(v) Boeing Alert Service Bulletin 737-28A1227, Revision 1, dated
July 18, 2011.
(vi) Boeing Alert Service Bulletin 737-28A1228, dated August 2,
2010.
(vii) Boeing Alert Service Bulletin 737-28A1228, Revision 1,
dated June 28, 2012.
(viii) Boeing Service Bulletin 737-28A1210, Revision 1, dated
May 13, 2011.
(ix) Boeing Service Bulletin 737-28A1210, Revision 2, dated
October 25, 2012.
(x) Boeing Service Bulletin 737-28A1216, Revision 2, dated
November 12, 2012.
(xi) Boeing Service Bulletin 737-28A1216, Revision 3, dated July
16, 2014.
[[Page 65872]]
(xii) Boeing Service Bulletin 737-28A1227, Revision 2, dated
September 23, 2014.
(xiii) Boeing 737-100/200/200C/300/400/500 Airworthiness
Limitations (AWLs) and Certification Maintenance Requirements
(CMRs), Document D6-38278-CMR, Revision June 2014.
(4) For Boeing service information identified in this AD,
contact Boeing Commercial Airplanes, Attention: Data & Services
Management, P. O. Box 3707, MC 2H-65, Seattle, WA 98124-2207;
telephone: 206-544-5000, extension 1; fax: 206-766-5680; Internet
https://www.myboeingfleet.com.
(5) You may view this referenced service information at the FAA,
Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, WA.
For information on the availability of this material at the FAA,
call 425-227-1221.
(6) You may view this service information that is incorporated
by reference at the National Archives and Records Administration
(NARA). For information on the availability of this material at
NARA, call 202-741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.
Issued in Renton, Washington, on August 25, 2016.
John P. Piccola, Jr.,
Acting Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 2016-21602 Filed 9-23-16; 8:45 am]
BILLING CODE 4910-13-P