# SDR AALA201808163006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2018
- Submitted: August 16, 2018
- Operation: Air carrier
- Aircraft: [N342PM](https://openairdocs.org/aircraft/N342PM), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31269
- Aircraft time: 3,610 hours, 1,462 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Module
- Part number: 697370313
- Part serial: F08917
- Condition: Defective
- Stage of operation: CL
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201808163006

## Discrepancy

AIR RETURN ORD ACCOUNT FLIGHT CONTROL ISSUE. EMERGENCY WAS DECLARED AND FLIGHT LANDED OVERWEIGHT WITHOUT INCIDENT. UNABLE TO CONTROL RUDDER, TRIM STUCK 2-5 UNITS TO RIGHT, UNABLE TO CENTER, LANDED 5 UNITS TO THE LEFT.   THE AIRCRAFT WAS GROUNDED.  REPLACED AILERON AND RUDDER TRIM CONTROL MODULE IAW AMM 27-11-94 AND RUDDER TRIM ACTUATOR PER AMM 27-21-87. OPERATIONS CHECK GOOD. THIS SDR IS FOR RUDDER TRIM CONTROL MODULE.

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