AD 82-18-05

82-18-05 BOEING: Amendment 39-4444. Applies to Model 747 series freighter airplanes as listed in Boeing Service Bulletin No. 747-26-2083, Revision 1, or later FAA approved revisions, certificated in all categories. To prevent the rudder cable from possible hangup on the smoke detection tube, accomplish the following:

A. Within the next 1,500 hours time-in-service after the effective date of this AD, unless previously accomplished, modify the smoke detection tube in accordance with Boeing Service Bulletin No. 747-26-2083, Revision 1, or later FAA approved revision.

B. Alternate means of compliance with the AD which provide an equivalent level of safety may be used when approved by the Manager, Seattle Area 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.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made part hereof pursuant to 5 U.S.C. 552(a)(1).

All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124. These documents may also be examined at FAA Northwest Mountain Region, 9010 East Marginal Way South, Seattle, Washington.

This amendment becomes effective September 30, 1982.