AD 85-13-02

85-13-02 BOEING: Amendment 39-5085. Applies to Boeing Model 767 series airplanes certificated in all categories, as enumerated in Boeing Service Bulletin No. 767-21-0041, Revision 1, dated February 15, 1985. To assure the effectiveness of the cargo compartment fire protection system, accomplish the following, unless already accomplished.

A. Within 90 days after the effective date of this AD, revise the wiring and test the operation of the aft equipment/lavatory/galley ventilation fans and the left and right air conditioning pack flow controls in accordance with Boeing Service Bulletin 767-21-0041, Revision 1, dated February 15, 1985, or later FAA approved revision.

B. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base forthe accomplishment of inspections and/or modifications required by this AD.

All persons affected by this directive who have not already received the above specified service bulletin from the manufacturer may obtain copies upon request from the Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, WA 98124. It may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or 9010 East Marginal Way South, Seattle, Washington.

This Amendment becomes effective July 28, 1985.