SDR IPXA10M58470

Service difficulty report · Trim Switch · Doug MD11F

Difficulty date: February 12, 2010
Submitted: February 22, 2010
Operation: Air carrier
Aircraft: N274UP
Make and model: Doug MD11F
Aircraft serial: 48575
System (JASC): 2740 · Stabilizer Control System
Part: Trim Switch
Condition: Failed
Location: Cockpit
Stage of operation: CR
How discovered: O
Nature of condition: F
Precautionary procedure: A

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

What was found

STAB TRIM FAILED F/O AND CAPT SWITCHES AUTOFLIGHT AND SUITCASE HANDLES WOULD NOT CONTROL TRIM. R & R LT & RT STABILIZER ACTUATORS, LT & RT DRIVE CHAINS LOWER DRIVE CHAIN, UPPER DRIVE GEARBOX, 2 EA DRIVE MOTORS AND BRAKES AND ASSOCIATED OPERATIONAL AND FUNCTIONAL TEST. OK FOR CONTINUED SERVICE

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