AD 79-07-03

79-07-03 BOEING: Amendment 39-3443. Applies to all Model 737 series airplanes, except airplanes with the engine pressure ratio (EPR) activated takeoff warning system. Compliance required as indicated.

Within 2,000 hours time in service or one year after the effective date of this AD, whichever comes first, unless already accomplished, set the thrust lever operated switches, S283 and S133, to provide actuation down to and including -65 degrees F in accordance with the applicable part of Boeing Service Bulletin 737-31-1026, or later FAA approved revisions, or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA, Northwest Region. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a 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 Region, 9010 East Marginal Way South, Seattle, Washington 98108.

This amendment becomes effective May 4, 1979.