# SDR CALA2017060501670

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2017
- Submitted: June 5, 2017
- Operation: Air carrier
- Aircraft: [N495UA](https://openairdocs.org/aircraft/N495UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1842
- Aircraft time: 47,767 hours, 20,649 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Faulted
- 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/CALA2017060501670

## Discrepancy

SYS 1 FAULT DISPLAYED ON UPPER ECAM SCREEN.  CABIN PRESSURE. EMERGENCY DECLARED.  REMOVED AND REPLACED NR 1 CPC IAW AMM 21-31-34.  OPS CHECKED GOOD.  REMOVED AND REPLACED THE OUTFLOW VALVE IAW AMM 21-31-51-400-001-A. NO FAULTS NOTED.

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