[Federal Register Volume 59, Number 9 (Thursday, January 13, 1994)]
[Unknown Section]
[Page 0]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 94-829]
[[Page Unknown]]
[Federal Register: January 13, 1994]
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DEPARTMENT OF TRANSPORTATION
14 CFR Part 39
[Docket No. 93-NM-136-AD; Amendment 39-8779; AD 93-25-15]
Airworthiness Directives; Beech Model 400A and 400T Airplanes
AGENCY: Federal Aviation Administration, DOT.
ACTION: Final rule.
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SUMMARY: This amendment adopts a new airworthiness directive (AD),
applicable to certain Beech Model 400A and 400T airplanes, that
requires inspection of the rivets in the escape hatch substructure to
verify that the proper rivets are installed, and replacement of the
incorrect rivets with new rivets or fasteners. This amendment is
prompted by the discovery that, during production, incorrect rivets may
have been installed in the escape hatch substructure. The actions
specified by this AD are intended to prevent reduced structural
capability of the airframe.
DATES: Effective February 14, 1994.
The incorporation by reference of certain publications listed in
the regulations is approved by the Director of the Federal Register as
of February 14, 1994.
ADDRESSES: The service information referenced in this AD may be
obtained from Beech Aircraft Corporation, P.O. Box 85, Wichita, Kansas
67201-0085. This information may be examined at the Federal Aviation
Administration (FAA), Transport Airplane Directorate, Rules Docket,
1601 Lind Avenue, SW., Renton, Washington; or at the FAA, Small
Airplane Directorate, Wichita Aircraft Certification Office, 1801
Airport Road, room 100, Mid-Continent Airport, Wichita, Kansas; or at
the Office of the Federal Register, 800 North Capitol Street, NW.,
suite 700, Washington, DC.
FOR FURTHER INFORMATION CONTACT: Larry Engler, Aerospace Engineer,
Propulsion Branch, ACE-140W, FAA, Small Airplane Directorate, Wichita
Aircraft Certification Office, 1801 Airport Road, room 100, Mid-
Continent Airport, Wichita, Kansas 67209; telephone (316) 946-4122; fax
(316) 946-4407.
SUPPLEMENTARY INFORMATION: A proposal to amend part 39 of the Federal
Aviation Regulations to include an airworthiness directive (AD) that is
applicable to certain Beech Model 400A and 400T airplanes was published
in the Federal Register on September 13, 1993 (58 FR 47839). That
action proposed to require a one-time inspection of the rivets in the
escape hatch substructure to verify that the proper rivets are
installed, and replacement of the incorrect rivets with new rivets or
fasteners.
Interested persons have been afforded an opportunity to participate
in the making of this amendment. No comments were submitted in response
to the proposal or the FAA's determination of the cost to the public.
The FAA has determined that air safety and the public interest require
the adoption of the rule as proposed.
There are approximately 94 Beech Model 400A and 400T airplanes of
the affected design in the worldwide fleet. The FAA estimates that 78
airplanes of U.S. registry will be affected by this AD, that it will
take approximately 8 work hours per airplane to accomplish the required
actions, and that the average labor rate is $55 per work hour. Required
parts will cost approximately $400 per airplane. Based on these
figures, the total cost impact of the AD on U.S. operators is estimated
to be $65,520, or $840 per airplane. This total cost figure assumes
that no operator has yet accomplished the requirements of this AD.
The regulations adopted herein will not have substantial direct
effects 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. Therefore, in
accordance with Executive Order 12612, it is determined that this final
rule does not have sufficient federalism implications to warrant the
preparation of a Federalism Assessment.
For the reasons discussed above, I certify that this action (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); and (3) 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. A final evaluation has been prepared for this action
and it is contained in the Rules Docket. A copy of it may be obtained
from the Rules Docket at the location provided under the caption
``ADDRESSES.''
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.
Adoption of the Amendment
Accordingly, pursuant to the authority delegated to me by the
Administrator, the Federal Aviation Administration amends 14 CFR part
39 of the Federal Aviation Regulations as follows:
PART 39--AIRWORTHINESS DIRECTIVES
1. The authority citation for part 39 continues to read as follows:
Authority: 49 U.S.C. App. 1354(a), 1421 and 1423; 49 U.S.C.
106(g); and 14 CFR 11.89.
Sec. 39.13 [Amended]
2. Section 39.13 is amended by adding the following new
airworthiness directive:
93-25-15 Beech Aircraft Corporation: Amendment 39-8779. Docket 93-
NM-136-AD.
Applicability: Model 400A airplanes having serial numbers RK-1
through RK-57 inclusive, RK-59, RK-60, and RK-62 through RK-66
inclusive; and Model 400T airplanes having serial numbers TT-02
through TT-30 inclusive, and TT-32; certificated in any category.
Compliance: Required as indicated, unless accomplished
previously.
To prevent reduced structural capability of the airframe,
accomplish the following:
(a) Within 200 hours time-in-service after the effective date of
this AD, inspect the rivets in the escape hatch substructure to
verify that the proper rivets are installed in accordance with
Beechcraft Service Bulletin 2509, dated July 1993.
(1) If the rivet is part number (P/N) MS20470E6, no further
action is required by this AD.
(2) If the rivet is not P/N MS20470E6, prior to further flight,
replace the rivet with a new Cherry Max rivet or a HI-LOK fastener,
in accordance with Beechcraft Service Bulletin 2509, dated July
1993.
(b) As of the effective date of this AD, no person shall install
any rivet having P/N MS20470AD5 in the location shown in Figure 1 of
Beechcraft Service Bulletin 2509, dated July 1993, on any airplane.
(c) An alternative method of compliance or adjustment of the
compliance time that provides an acceptable level of safety may be
used if approved by the Manager, Wichita Aircraft Certification
Office (ACO), FAA, Small Airplane Directorate. Operators shall
submit their requests through an appropriate FAA Principal
Maintenance Inspector, who may add comments and then send it to the
Manager, Wichita ACO.
Note: Information concerning the existence of approved
alternative methods of compliance with this AD, if any, may be
obtained from the Wichita ACO.
(d) Special flight permits may be issued in accordance with FAR
21.197 and 21.199 to operate the airplane to a location where the
requirements of this AD can be accomplished.
(e) The inspection and replacement shall be done in accordance
with Beechcraft Service Bulletin 2509, dated July 1993. (Note: The
issue date of Service Bulletin 2509 is indicated only on page 1 of
the document; no other page of this document is dated.) This
incorporation by reference was approved by the Director of the
Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part
51. Copies may be obtained from Beech Aircraft Corporation, P.O. Box
85, Wichita, Kansas 67201-0085. Copies may be inspected at the FAA,
Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton,
Washington; or at the FAA, Small Airplane Directorate, Wichita
Aircraft Certification Office, 1801 Airport Road, room 100, Mid-
Continent Airport, Wichita, Kansas; or at the Office of the Federal
Register, 800 North Capitol Street, NW., suite 700, Washington, DC.
(f) This amendment becomes effective on February 14, 1994.
Issued in Renton, Washington, on December 21, 1993.
James V. Devany,
Acting Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 94-829 Filed 01-12-94; 8:45 am]
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