# SDR UALA2012051802838

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2012
- Submitted: May 18, 2012
- Operation: Air carrier
- Aircraft: [N466UA](https://openairdocs.org/aircraft/N466UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1343
- Aircraft time: 39,613 hours, 15,349 cycles
- Engine: Iae V2527A5
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012051802838

## Discrepancy

HAD CABIN PRESSURIZATION FAULT DESCENDED TO 10,000 FT, OUTFLOW VLV FULL OPEN, MASK DID NOT DEPLOY.  REPLACED BOTH CABIN PRESS CONTROLLERS AND PERFORMED ALL TESTS AS REQUIRED PER MM AND 05-53-00.  NO FAULTS NOTED A-C OKAY FOR SERVICE.

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