Service difficulty report · Engine · Aerosp ATR72

Difficulty date
October 25, 2012
Submitted
November 8, 2012
Operation
Air carrier
Aircraft
N425MJ
Make and model
Aerosp ATR72
Aircraft serial
425
Aircraft time
31,381 hours, 34,979 cycles
Engine
Pwa PW127
Part
Engine
Condition
Overtorqued
Location
Nr 1
Stage of operation
CL
How discovered
O
Nature of condition
Y, J
Precautionary procedure
A

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

What was found

THE CREW REPORTED THE NR 1 ENGINE FAILED IMMEDIATELY AFTER TAKEOFF. CREW PERFORMED A PRECAUTIONARY ENGINE SHUTDOWN. ACFT REMOVED FROM SERVICE. PERFORMED ENGINE NR 1 GROUND OPS CHECK IAW W/C EX-055007-CS-20000-001 NO DEFECTS NOTED. DETERMINED THE ENGINE HAD AN OVER TORQUE ISSUE. FUNCTIONAL CHECK FLIGHT WAS FOUND TO BE SATISFACTORY. ACFT RETURNED TO SERVICE.