Service difficulty report · Fuel Control

Difficulty date
March 8, 2013
Submitted
September 14, 2015
Operation
General aviation
Engine
Pwa PT6A27
Part
Fuel Control
Condition
Malfunctioned
Location
Engine
Stage of operation
CL
How discovered
O
Nature of condition
X, 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) WHEN TOP OF CLIMB TO FSPP ABOUT TO SET CRUISE POWER, 40PSI, CLIMB AT 45 PSI, 76 PERCENT RPM, THE NR 2 ENGINE SHOWED AN OVER TORQUE TO 65PSI AND THE ITT REACHED APPROXIMATELY 900 DEGREES C. THE PILOT POWERED BACK TO IDLE THE NR 2 ENGINE. THE ENGINE DID NOT RESPONSE TO THE POWER REDUCTION. THE PILOT DECIDED TO SHUTDOWN NR 2 ENGINE AND TO PERFORM AN UNEVENTFUL LANDING. THE ENGINE WAS REMOVED AND SENT FOR INVESTIGATION. THE PRELIMINARY SHOP REPORT REVEALED THE ENGINE WAS TESTED AND NO ANOMALIES WERE FOUND. THE FCU AND THE PROPELLER GOVERNOR WILL BE BENCH TESTED.