AD 88-01-13

88-01-13 BOEING: Amendment 39-5825. Applies to Model 757 series airplanes, as listed in Boeing Alert Service Bulletin 757-29A0032, dated July 9, 1987, certificated in any category. Compliance required within one year after the effective date of this AD, unless previously accomplished.

To prevent inadvertent ram air turbine deployment on the ground while parked, and to ensure proper deployment in flight, accomplish the following:

A. Modify the ram air turbine wiring in accordance with Boeing Alert Service Bulletin 757-29A0032, dated July 9, 1987, or later FAA-approved revision.

B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety and which has the concurrence of an FAA Principal Maintenance Inspector, 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 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 Boeing Commercial Airplane Company, P. O. Box 3707, Seattle, Washington 98124. These documents 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.

This amendment becomes effective February 19, 1988.