Airworthiness directives › 95-06-05
AD 95-06-05 Airworthiness Directives; Boeing Model 737-200 and -300 Series Airplanes Equipped With Cargo Doors Installed in Accordance With Supplemental Type Certification (STC) SA2969SO
Models named: 737-200, -300 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model 737-200 and -300 series airplanes equipped with main deck cargo doors installed in accordance with supplemental type certificate (STC) SA2969SO, certificated in any category. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must use the authority provided in paragraph (b) to request approval from the FAA. This approval may address either no action, if the current configuration eliminates the unsafe condition; or different actions necessary to address the unsafe condition described in this AD. Such a request should include an assessment of the effect of the changed configuration on the unsafe condition addressed by this AD. In no case does the presence of any modification, alteration, or repair remove any airplane from the applicability of this AD.
Compliance
Required as indicated, unless accomplished previously. To prevent rapid decompression due to cracking of the fuselage frames below the lower jamb of the upper deck main cargo door, accomplish the following: (a) Within 50 flight cycles after the effective date of this AD or within 50 flight cycles after the installation of STC SA2969SO, whichever occurs later, perform a detailed close visual inspection to detect cracking of the fuselage frames below the lower jamb of the upper deck main cargo door between stringers 20L and 21L at water line 180 at frame stations 380, 400, 420, 440, 460, and 480, in accordance with Pemco Alert Service Letter 737-53-0004, dated January 10, 1995. (1) If no cracking is detected, repeat the visual inspection thereafter at intervals not to exceed 450 flight cycles until the repair described in Pemco Alert Service Letter 737-53-0004, dated January 10, 1995, has been accomplished. (2) If any cracking is detected, prior to further flight, repair in accordance with Pemco Alert Service Letter 737-53-0004, dated January 10, 1995. (b) 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, FAA, Small Airplane Directorate, Atlanta Aircraft Certification Office (ACO). Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Atlanta ACO. [[Page 14899]] Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Atlanta ACO. (c) Special flight permits may be issued in accordance with Secs. 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. (d) The inspections and repair shall be done in accordance with Pemco Alert Service Letter 737-53-0004, including Appendices I and II dated January 10, 1995. 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 Pemco Aeroplex, Incorporated, P.O. Box 2287, Birmingham, Alabama 35201- 2287. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, Small Airplane Directorate, Atlanta Aircraft Certification Office, Campus Building, 1701 Columbia Avenue, Suite 2-160, College Park, Georgia; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (e) This amendment becomes effective on April 5, 1995. Issued in Renton, Washington, on March 9, 1995. Darrell M. Pederson, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 95-6319 Filed 3-20-95; 8:45 am] BILLING CODE 4910-13-U
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1