Airworthiness directives › 96-10-08
AD 96-10-08 Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes
Models named: 737-300, -400, -500 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model 737-300, -400, and -500 series airplanes, as listed in Boeing Service Letter 737-SL-24-106, dated March 10, 1995; certificated in any category. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been otherwise 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 request approval for an alternative method of compliance in accordance with paragraph (c) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Required as indicated, unless accomplished previously. To prevent short circuiting of a wire bundle located in the electrical/electronics (E/E) equipment bay, which could result in smoke and fire, accomplish the following: (a) Within 15 months after the effective date of this AD, accomplish the requirements of paragraphs (a)(1), (a)(2), and (a)(3), of this AD in accordance with Boeing Service Letter 737-SL- 24-106, dated March 10, 1995. Note 2: Screws having part number (P/N) NAS1801-3-( ) and spacers having P/N NAS42DD-6-( ), used to install the clamps as specified by this service letter, should be selected to provide a minimum of 0.25 inch clearance between wire bundles and surrounding structure and objects. Additionally, the spacers should have a part number having a chemical film finish code of ``FC'' or a gray anodize finish code of ``N.'' (1) Perform a visual inspection to detect damage of the wire bundle and clamps in the E/E compartment. If any damage is detected, prior to further flight, repair in accordance with the service letter. (2) Reclamp wire bundle W2132 (or W0132) by removing the steel cushioned clamp and installing a nylon clamp on the aft side of the existing nut and bolt hole at body station (BS) 360, water line (WL) 203, left buttock line (LBL) 57, in accordance with the service letter. (3) Install additional clamps to wire bundles W2132 (or W0132) and power feeder wire bundle WO142, in accordance with the service letter. (b) Within 10 days after detecting any damage to the wire bundle or clamp as a result of the inspection required by paragraph (a) of this AD, submit a report of the damage findings to the FAA, Transport Airplane Directorate, Seattle Manufacturing Inspection District Office (MIDO), Attention: George Carter, 1601 Lind Avenue SW., Renton, Washington 98055-4056; telephone (206) 237-6229; fax (206) 965-0264. Information collection requirements contained in this regulation have been approved by the Office of Management and Budget (OMB) under the provisions of the Paperwork Reduction Act of 1980 (44 U.S.C. 3501 et seq.) and have been assigned OMB Control Number 2120-0056. (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, Seattle Aircraft Certification Office (ACO), FAA, Transport 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, Seattle ACO. Note 3: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Seattle ACO. (d) Special flight permits may be issued in accordance with sections 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. (e) The actions shall be done in accordance with Boeing Service Letter 737-SL-24-106, dated March 10, 1995, including Attachments I and II. 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 Boeing Commercial Airplane Group, P.O. Box 3707, Seattle, Washington 98124-2207. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (f) This amendment becomes effective on June 13, 1996. Issued in Renton, Washington, on May 6, 1996. Darrell M. Pederson, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 96-11824 Filed 5-13-96; 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