AD 86-07-09 R1

86-07-09 R1 BOEING: Amendment 39-5280 as amended by Amendment 39-5309. Applies to all Boeing Model 757 and 767 airplanes, certificated in any category. To ensure the integrity of the cargo compartment smoke detection system, accomplish the following within 30 days after the effective date of this AD, unless already accomplished:

A. Replace the lamps in the four Autronics Corporation Model 2156-204 cargo compartment smoke detectors and install placards in accordance with Autronics Service Bulletin 2156204-26-01, dated April 14, 1986, or later FAA-approved revision.

B. 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.

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

All persons affected by this AD 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, Washington 98124. The service bulletin may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.

Amendment 39-5280 became effective April 22, 1986. This Amendment 39-5309 becomes effective May 20, 1986.