SDR DALA2021010204367

Service difficulty report · Eec · Boeing 757232

Difficulty date: December 30, 2020
Submitted: January 2, 2021
Operation: Air carrier
Aircraft: N670DN
Make and model: Boeing 757232
Aircraft serial: 25331
Aircraft time: 89,418 hours, 39,781 cycles
Engine: Pwa PW2037
Engine time: 91,411 hours, 37,977 cycles
System (JASC): 7320 · Fuel Controlling System
Part: Eec
Condition: Malfunctioned
Location: Nr 1 Engine
Stage of operation: AP
How discovered: O
Nature of condition: R, J
Precautionary procedure: E, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

THE NR 1 ENGINE WAS SHUTDOWN IN FLIGHT DUE TO BECOMING UNRESPONSIVE TO THE CREW. THE QRH WAS COMPLIED WITH. THE ENGINE WENT TO IDLE AND WOULD NOT RESPOND THEREAFTER. MAINTENANCE ACCOMPLISHED A WINDMILL INSPECTION, PER B757 AMM 72-00. ALL CHIP DETECTORS WERE CLEAR. NO EXTERNAL OIL LEAKS. NO VISIBLE DAMAGE TO ENGINE INLET OR EXHAUST. NO VISIBLE DAMAGE TO THE EEC/FCU WIRING. THE LEFTT EEC WAS REPLACED, PER B757 AMM 73-21. THE LEFT ENGINE FUEL CONTROL WAS REPLACED, PER B757 AMM 73-21. OPERATIONAL CHECK WAS GOOD. NO ISSUES NOTED.