# SDR UALA2011072003689

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2011
- Submitted: August 12, 2011
- Operation: Air carrier
- Aircraft: [N840UA](https://openairdocs.org/aircraft/N840UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1522
- Aircraft time: 35,358 hours, 14,348 cycles
- Engine: Iae V2522A5
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Computer
- Part number: B372BAM0509
- Part serial: 101
- Condition: Faulty
- Location: Nr 2
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011072003689

## Discrepancy

ELEV SERVO FAULT DISPLAYED.  CREW ACTUALLY CYCLED SEC 2 CB, NOT ELAC 2 PER CREW.  REPLACED SEC 2 FOR T-S PER AMM.  STARTED ADJ AND TEST PER AMM.  TEST FAILED AT STEP 21 PG 506.  PITCH TRIM FAILED TO ROLL BACK TO ZERO AUTOMATICALLY.  PFR, 02-27-94-34 SEC2 COM OR WIRING TO LG ELEV SERVO VLV 34CE1.

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