# SDR UALA2013040102103

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2013
- Submitted: April 12, 2013
- Operation: Air carrier
- Aircraft: [N498UA](https://openairdocs.org/aircraft/N498UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1865
- Aircraft time: 35,143 hours, 15,373 cycles
- Engine: Iae V2527A5
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: Knob
- Condition: Intermittent
- Location: Mcp
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013040102103

## Discrepancy

ALTITUDE SELECT KNOB ON MCP IS INTERMITTENT,  UNABLE TO CHANGE ALTITUDE AT TIMES.  REPLACED FCU PER AMM.  SYSTEM OPS TESTS NORMAL PER AMM- 22-96-00.

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