# SDR 9904353219

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N319US](https://openairdocs.org/aircraft/N319US), registered now
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 208
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 90231570381
- Condition: Failed
- Location: Cabin Pressure
- Part time: 26,521 hours
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A, B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9904353219

## Discrepancy

DURING CRUISE, RECEIVED CABIN PRESSURE SYS 1 AND 2 FAULT AND CABIN PRESSURE EXCESS CAB ALT MESSAGES WITH AUTOMATIC DROP OF OXYGEN MASKS.  INITIATED RAPID DESCENT DUE TO A MODERATELY RAPID DECOMPRESSION.  DIVERTED TO MCI AND LANDED WITHOUT INCIDENT.  MAINTENANCE REPLACED NR 1 AND NR 2 CABIN PRESSURE CONTROLLERS AND THE OUTFLOW VALVE.  SYSTEM OPERATIONAL CHECK NORMAL.

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