# SDR CALA2016123001188

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2016
- Submitted: December 31, 2016
- Operation: Air carrier
- Aircraft: [N496UA](https://openairdocs.org/aircraft/N496UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1845
- Aircraft time: 47,211 hours, 20,220 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Faulty
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2016123001188

## Discrepancy

EXCESS CABIN ALTITUDE DISPLAYED ON UPPER ECAM SCREEN.. EMERGENCY DECLARED.  REPLACED OUTFLOW VALVE AND #1 CABIM PRESSURE CONTROLER REF AMM 2 1-31-51 AND AMM 21-31-34  OPS CHECK GOOD REF AMM 21-31-51,21-31- 00,TASK 05-53-00,AMM 21-31-00-710-0032-A

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