# SDR 29GA2014100900001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2014
- Submitted: October 16, 2014
- Operation: Air carrier
- Aircraft: N412XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B412
- Aircraft time: 33,313 hours, 36,884 cycles
- System (JASC): [2731 · Elevator Tab Control System](https://openairdocs.org/jasc/2731)
- Part: Computer
- Part number: 6227491210
- Part serial: 3663
- Condition: Malfunctioned
- Location: Elevator Trim
- Stage of operation: CR
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/29GA2014100900001

## Discrepancy

ELEVATOR TRIM RUNAWAY WITH AUTOPILOT ENGAGED FOLLOWED BY PITCH TRIM CAUTION DISCONNECTED AUTOPILOT AND CONDITIONS PERSISTED INTERMITTENTLY.  REPLACED FLIGHT CONTROL COMPUTER, NO DEFECTS NOTED.  OPS CHECK GOOD.

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