SDR CA080912001

Service difficulty report · Ecu

Difficulty date: August 25, 2008
Submitted: November 3, 2008
Operation: General aviation
Engine: Pwa PW121
System (JASC): 7321 · Fuel Control/Turbine Engines
Part: Ecu
Condition: Malfunctioned
Location: Nr 1 Engine
Stage of operation: CR
How discovered: O
Nature of condition: J, X
Precautionary procedure: E

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

What was found

(CAN) DURING FLIGHT, THE PILOT NOTICED FLUCTUATION OF NR1 ENGINE PARAMETERS. WHILE ATTEMPTING TO ADJUST PROPELLER SPEED, ENGINE FLAMED OUT. AN ATTEMPT TO RESTART ENGINE IN-FLIGHT WAS NOT SUCCESSFUL. DURING GROUND INSP, ALL ENGINE PARAMETERS FLUCTUATED WITH ECU "ON" AND ALL PARAMETERS STABLIZED WITH ECU "OFF". THE ECU WAS REPLACED.