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2015-04-15
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Airworthiness Directives; Bombardier, Inc. Airplanes
Proposed Rules
D09002ee1bdc32a97
D09002ee1bdc32b05
United States
Department of Transportation
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United States Government Agency or Subagency
United States
Federal Aviation Administration
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org
United States Government Agency or Subagency
We propose to supersede Airworthiness Directive (AD) 2011-07- 10, for certain Bombardier, Inc. Model BD-100-1A10 (Challenger 300) airplanes. AD 2011-07-10 currently requires revising the Airworthiness Limitations section of the Instructions for Continued Airworthiness; doing detailed visual inspections; removing discrepant material; cleaning the surfaces of the valves, the plug of the sensing port, and the cabin pressure-sensing port plug; securing the insulation; installing a new safety valve, and replacing certain cabin pressure-sensing port plugs. Since we issued AD 2011-07-10, we have received reports of in-flight loss of cabin pressurization that was attributed to partial blockage of a safety valve cabin pressure-sensing port in conjunction with a failed safety valve manometric capsule. This proposed AD would retain all requirements of AD 2011-07-10. This proposed AD would also require a detailed visual inspection of both safety valves and the surrounding area for foreign material, room temperature vulcanizing (RTV) silicone, contamination, foam on the bulkhead structure, tape or insulation, and loose material; and corrective actions if necessary. We are proposing this AD to detect and correct blockage of a safety valve cabin pressure-sensing port, which could result in loss of cabin pressure.
80 FR 20181
https://www.govinfo.gov/app/details/FR-2015-04-15/2015-08463
2015-08463
fr15ap15-13
RIN 2120-AA64
4910-13-P
Docket No. FAA-2015-0827
Directorate Identifier 2014-NM-008-AD
https://www.govinfo.gov/app/details/FR-2015-04-15/2015-08463
https://www.govinfo.gov/content/pkg/FR-2015-04-15/html/2015-08463.htm
https://www.govinfo.gov/content/pkg/FR-2015-04-15/pdf/2015-08463.pdf
Air Transportation
Aircraft
Aviation Safety
Incorporation by Reference
Safety
5 p.
20181
20185
80 FR 20181
Code of Federal Regulations
Title 14 Part 39
14 CFR Part 39
Regulation Identification Number 2120-AA64
RIN 2120-AA64
Airworthiness Directives; Bombardier, Inc. Airplanes; Federal Register Vol. 80, Issue
PRORULE
2015-08463
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
2015-06-01
Docket No. FAA-2015-0827
Directorate Identifier 2014-NM-008-AD
4910-13-P
2015-08463
Notice of proposed rulemaking (NPRM).
We propose to supersede Airworthiness Directive (AD) 2011-07- 10, for certain Bombardier, Inc. Model BD-100-1A10 (Challenger 300) airplanes. AD 2011-07-10 currently requires revising the Airworthiness Limitations section of the Instructions for Continued Airworthiness; doing detailed visual inspections; removing discrepant material; cleaning the surfaces of the valves, the plug of the sensing port, and the cabin pressure-sensing port plug; securing the insulation; installing a new safety valve, and replacing certain cabin pressure-sensing port plugs. Since we issued AD 2011-07-10, we have received reports of in-flight loss of cabin pressurization that was attributed to partial blockage of a safety valve cabin pressure-sensing port in conjunction with a failed safety valve manometric capsule. This proposed AD would retain all requirements of AD 2011-07-10. This proposed AD would also require a detailed visual inspection of both safety valves and the surrounding area for foreign material, room temperature vulcanizing (RTV) silicone, contamination, foam on the bulkhead structure, tape or insulation, and loose material; and corrective actions if necessary. We are proposing this AD to detect and correct blockage of a safety valve cabin pressure-sensing port, which could result in loss of cabin pressure.
We must receive comments on this proposed AD by June 1, 2015.
Luke Walker, Aerospace Engineer, Airframe and Mechanical Systems Branch, ANE-171, FAA, NY Aircraft Certification Office (ACO), 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7363; fax 516-794-5531.
Air Transportation
Aircraft
Aviation Safety
Incorporation by Reference
Safety
Airworthiness Directives:
Bombardier, Inc. Airplanes
,
thd.crj@aero.bombardier.com
http://www.bombardier.com
http://www.regulations.gov
Federal Register
Vol. 80, no. 72
Office of the Federal Register, National Archives and Records Administration
2015-04-15
continuing
daily
deposited
born digital
266 p.
Table of Contents:
AE 2.7:
GS 4.107:
AE 2.106:
KF70.A2
https://www.govinfo.gov/app/details/FR-2015-04-15
P0b002ee18c0f903a
0097-6326
0042-1219
0364-1406
769-004-00000-9
000582072
f:fr15ap15
https://www.govinfo.gov/app/details/FR-2015-04-15
https://www.govinfo.gov/content/pkg/FR-2015-04-15/pdf/FR-2015-04-15.pdf
https://www.govinfo.gov/content/pkg/FR-2015-04-15/xml/FR-2015-04-15.xml
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FR-2015-04-15
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