PT Bearing Heat Shield Repair- T53 Engineering Product Support Notice

March 16, 2023

There is a history of T53 PT Bearing Heat Shields failing, departing the engine and damaging the aircraft. This repair connects the loose assembly fit for P/N 1-140-182-01 Heat Shield. Air Technology Engines has received FAA approval to address this problem to eliminate the potential of a heat shield vibratory failure and possible aircraft damage. Please review the attached instructions and advice if you have any questions.

This will improve engine reliability and safety.

John Moore Mike Turner Air Technology Engines, Inc.

T53 ENGINEERING PRODUCT SUPPORT NOTICE - T53 HEAT SHIELD COVER REPAIR - MARCH 16, 2023

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