# SDR SWAA050629

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2005
- Submitted: March 3, 2005
- Operation: Air carrier
- Aircraft: [N310SW](https://openairdocs.org/aircraft/N310SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 22949
- Aircraft time: 63,134 hours, 60,729 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Control Panel
- Part number: 7110025
- Condition: Faulty
- Location: Cabin Pressure
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA050629

## Discrepancy

DECENDING THROUGH 7000 FT, OUTFLOW VALVE WENT TO FULL OPEN & CABIN DIFF PRESSURE INDICATED ZERO.  REMOVED AND REPLACED CABIN PRESSURE CONTROL PANEL PER MM.

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