# SDR 2007UALA02455

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2007
- Submitted: July 10, 2007
- Operation: Air carrier
- Aircraft: [N807UA](https://openairdocs.org/aircraft/N807UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 798
- Aircraft time: 32,942 hours, 12,558 cycles
- Engine: Iae V2522A5
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Pitch Control
- Condition: Malfunctioned
- Stage of operation: NR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA02455

## Discrepancy

AIRCRAFT HAS CONSTANT TRIM PITCH UP AND PITCH DOWN CONDITION.  CONDITION SAME WITH EITHER AUTOPILOT ENGAGED.  REPLACED ACCELEROMETER 12CE3 PER TSM 27-30-00-810-853.PERFORMED MCDU TEST OF EPCS1.NO FAILURE MSSGS NOTED.   REPLACED ACCEL 12CE4 AND THS POSITION TXDCR ACP AFS TEST ECFS1 AND ECFS2 TEST ALL OK CK THS RIG PIN STAB AT 0 RIG PIN OK ()ASSISTED AND CONFIRMED MCDU CHECKS GOOD. FLT TEST OK

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