# SDR IPXA11668384

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2011
- Submitted: August 8, 2011
- Operation: Air carrier
- Aircraft: [N316UP](https://openairdocs.org/aircraft/N316UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27744
- System (JASC): [2700 · Flight Control System](https://openairdocs.org/jasc/2700)
- Part: Control Module
- Part number: 160201102
- Part serial: 835
- Condition: Inoperative
- Location: Flight Control
- Stage of operation: CR
- How discovered: O
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA11668384

## Discrepancy

CREW EXPERIENCED AUTOPILOT WARNING AND INABILITY TO OPERATE THE STABILIZER TRIM MANUALLY - AIR TURN BACK.  TROUBLESHOOTING CARRIED OUT THROUGH AMM & FIM INDICATING STAB TRIM CONTROL MODULE FAILURE.  BOTH STCM'S HAVE NOW BEEN REPLACED AND IN PROGRESS OF REPLACING THE STABILIZER TRIM ACTUATOR.  FURTHER UPDATE ONCE COMPLETED TASKS.

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