WASHINGTON, Dec. 9 -- Federal Aviation Administration has issued a rule called: Airworthiness Directives; The Boeing Company Airplanes.
The rule was published in the Federal Register on Dec. 9 by Peter A. White, Deputy Director, Integrated Certificate Management Division, Aircraft Certification Service.
Summary: The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 757 airplanes. This AD was prompted by reports of precoolers that failed due to a wear-out condition, combined with latently failed overheat detection thermal switches. This AD requires an inspection for heat damage on the engine strut structure, repetitive tests of the thermal switch temperature and ground wires, replacement of the precool...