# SDR SWAA2014050527719

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2014
- Submitted: May 6, 2014
- Operation: Air carrier
- Aircraft: [N353SW](https://openairdocs.org/aircraft/N353SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 24889
- Aircraft time: 75,307 hours, 64,120 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 7110033
- Part serial: 901122
- Condition: Faulty
- Location: Ac Bay
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2014050527719

## Discrepancy

IN DESCENT OUT OF FL 280 ALTITUDE WARNING HORN SOUNDED & CABIN PRESS ROSE TO 12000 FT.  AFTER DESCENDING TO 10,000' THE AUTO FAIL & STANDBY LIGHTS ILLUMINATED.  R & R OUTFLOW VLV & PRESS CONTROLLER IAW MM.

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