AD 78-01-08

78-01-08 BOEING: Amendment 39-3113. Applies to all Model 727 series airplanes certificated in all categories with autospeed brake system installed and airplanes with auto wheel brakes in conjunction with JT8D-17R engines and Boeing automatic throttle clutches, except airplanes with Engine Pressure Ratio (EPR) activated takeoff warning system. Compliance required as indicated. Within 2000 hours time in service after the effective date of this AD, unless already accomplished, set the thrust lever operated switches S197, S784, S553, and S555 to provide actuation down to and including -65 degrees F per applicable part of Boeing Service Bulletin 727-31-30, or later FAA approved revisions, or equivalent approved by the Chief, Engineering and Manufacturing Branch, FAA Northwest Region. For airplanes which have automatic throttles not designed by Boeing, the modification kits available from Boeing may not be applicable. Operators of those airplanes must submit their proposed modifications to the Chief, Engineering and Manufacturing Branch, FAA Northwest Region, 9010 East Marginal Way South, Seattle, Washington 98108.

This amendment becomes effective January 16, 1978.