AD 89-14-11

89-14-11 BOEING: Amendment 39-6256. Applicability: Model 737 series airplanes, equipped with flight attendant seats, Trans Aero part number (P/N) 90835, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent possible failure of flight attendant seats, accomplish the following:

A. Within the next 12 months after the effective date of this amendment, unless previously accomplished within 12 months prior to the effective date of this amendment, inspect seat pan roller fittings, P/N 990862-3, and -4, for evidence of fatigue and/or deformation, in accordance with Trans Aero Service Bulletin No. 113, dated May 11, 1988. Repeat the inspection at intervals not to exceed 18 months.

B. If evidence of fatigue or deformation is found, prior to further use of the seat, replace the seat pan roller fitting with an airworthy part. Inspect the new fitting, in accordance with paragraph A., above, at intervals not to exceed 18 months.

C. Within 10 days after completion of the initial inspection required by paragraph A., above, submit a report of findings, positive or negative, to the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region, 17900 Pacific Highway South, C-68966, Seattle, Washington 98168.

D. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will concur or make comments and then send it to the Manager, Seattle Aircraft Certification Office.

E. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Trans Aero Industries, Inc., 502 North Oak Street, Inglewood, California 98302-2942, or to Boeing Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124. These documents may be examined at the FAA, Transport Airplane Directorate, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or Seattle Aircraft Certification Office, FAA, Northwest Mountain Region, 9010 East Marginal Way South, Seattle, Washington.

This amendment (39-6256, AD 89-14-11) becomes effective on August 7, 1989.