SDR CA071205008

Service difficulty report · Pump · Aerosp ATR72

Difficulty date: November 28, 2007
Submitted: January 21, 2008
Operation: General aviation
Make and model: Aerosp ATR72
Engine: Pwa PW127
System (JASC): 7314 · Engine Fuel Pump
Part: Pump
Condition: Malfunctioned
Location: Fuel System
Stage of operation: CR
How discovered: O
Nature of condition: R, J
Precautionary procedure: A

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

What was found

(CAN) DURING CRUISE, THE CREW REPORTED THAT ENGINE TORQUE WAS (UNSTABLE). POST FLIGHT INVESTIGATION REVEALED THAT ENGINE POWER WAS LIMITED TO 86 PERCENT VS. 90 PERCENT TARGET. FUEL PUMP AND FUEL CONTROL WERE REPLACED. FUEL PUMP IS SUSPECT AND WILL BE SENT FOR INVESTIGATION. MFG WILL CONTINUE INVESTIGATING THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED (TC NR 20071205008)