Service difficulty report · Torque Motor · Cessna 560XL

Difficulty date
October 30, 2014
Submitted
January 29, 2015
Operation
Air carrier
Aircraft
N270PR
Make and model
Cessna 560XL
Aircraft serial
5605507
Aircraft time
7,463 hours, 5,364 cycles
Part
Torque Motor
Part number
30J349001
Part serial
TR4775
Condition
Failed
Location
Nr 1 Engine
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

DURING THE TAKEOFF ROLL THE NR 1 ENG COMPUTER, LEEC, WENT INTO MANUAL MODE REQUIRING THE CREW TO ABORT THE TAKEOFF. THE DISCREPANCY WITH THE LEEC WAS DEFERRED. TROUBLESHOOTING AFTER THE ACFT RETURNED TO HOME BASE IDENTIFIED THE NR 1 ENG TORQUE MOTOR PN 30J3490-01 SN TR4775 AS DEFECTIVE & WAS REMOVED & A NEW UNIT INSTALLED. FUNCTIONAL CHECKS WERE SATISFACTORY. CLEARED MEL & RETURNED THE ACFT TO SERVICE.

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