Service difficulty report · Tms Actuator

Difficulty date
November 17, 1997
Submitted
March 26, 2000
Operation
Air carrier
Engine
Lyc ALF502R5
Part
Tms Actuator
Condition
Failed
Location
Engine
Part time
19,507 hours
Stage of operation
CR
Nature of condition
O
Precautionary procedure
E

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

What was found

(CAN) UNABLE TO REDUCE POWER BELOW 85 PERCENT N1. ENGINE WAS SHUT DOWN BY USING 'T' HANDLE, WHILE ON APPROACH. TORQUE MANAGEMENT SYSTEM (TMS) ACTUATOR WAS FOUND STUCK IN THE FULLY EXTENDED POSITION. TMS ACTUATOR REPLACED, ENGINES WERE GOUND RUN SERVICEABLE AND THE AIRCRAFT RETURNED TO SERVICE. PART TC: 2,284.