Service difficulty report · Trim Motor · Doug MD88

Difficulty date
July 20, 2001
Submitted
July 27, 2001
Operation
Air carrier
Aircraft
N977DL
Make and model
Doug MD88
Aircraft serial
53258
Aircraft time
29,336 hours, 22,918 cycles
Part
Trim Motor
Part number
D17751
Part serial
1248
Condition
Faulty
Location
Autopilot Sys
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

A/P C/BS POPPED. A/P TRIM LIGHT ILLUM. A/P TRIM INOP. RESET C/BS. D11 POPPED 2ND TIME. PRIMARY TRIM FUNCTIONED ENTIRE TIME. REPLACED ALTERNATE STABILIZER TRIM MOTOR PER M/M. PERFORM RTS TEST ON BOTH DFGCS. BOTH PASS/GO. STAB TRIM NOW OPS NORMAL.

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