SDR 2021F00354

Service difficulty report · None · Boeing 737800*

Difficulty date: November 20, 2021
Submitted: December 16, 2021
Operation: General aviation
Aircraft: N957AM
Make and model: Boeing 737800*
Aircraft serial: 39957
Aircraft time: 24,968 hours, 9,356 cycles
System (JASC): 2711 · Aileron Tab Control System
Part: None
Condition: None
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

RUDDER TRIM CONTROL WHEEL WAS NOT MOVED FREELY, CAPTAIN REPORTED THAT WITH 0 UNITS OF RUDDER TRIM CONTROL WHEEL WAS LOCATED 1 UNIT TO THE LEFT. MAINTENANCE PERSONNEL PERFORMED THE FIM 27-21 TASK 806 PROCEDURE, DETECTING THE RUDDER TRIM CONTROL WHEEL WAS NOT MOVED FREELY; SO RUDDER TRIM CONTROL WHEEL ADJUSTMENT WAS PERFORMED IAW AMM 27-11-00 AND FIM 27-11 TASK 803 PROCEDURE, TESTED CORRECT.

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