# SDR UPS08152684

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2008
- Submitted: July 15, 2008
- Operation: Air carrier
- Aircraft: [N121UP](https://openairdocs.org/aircraft/N121UP), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 0806
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CL
- 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/UPS08152684

## Discrepancy

AFTER T/O AT 1,000', PRESSURE REGULATOR NR1 FAILED.  REMOVED AND REPLACED FWD CABIN PRESSURE OUTFLOW VALVE IAW MM 21-31- 12-04.

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