Service difficulty report · Bypass Valve · Frchld SA227DC

Difficulty date
February 3, 2015
Submitted
March 12, 2015
Operation
General aviation
Make and model
Frchld SA227DC
Aircraft time
16,870 hours
Engine
Garrtt TPE33112UHR
Part
Bypass Valve
Part number
18389546
Condition
Out Of Adjust
Location
Engine
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

(CAN) WHILE ON TAKEOFF ROLL THE ENG DID NOT MAKE TARGET TORQUE & TAKEOFF WAS ABORTED. MX WAS CONTACTED. TEMP LIMITER CB WAS PULLED, MEL`D & TARGET TORQUE WAS OBTAINED ON GND RUN. ON TO ROLL TARGET TORQUE WAS NOT ABLE TO BE OBTAINED. ADJUSTED MAX FUEL FLOW & TORQUE SIGNAL CONDITIONER WAS ADJUSTED. TARGET TORQUE WAS NOW OBTAINABLE & ACFT WAS FLOWN TO A MX BASE WERE THE TORQUE LIMITER BYPASS VLV WAS REPLACED, MEL CLEARED & ACFT RELEASED TO SERVICE.