# SDR SWAA2015081142726

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2015
- Submitted: August 11, 2015
- Operation: Air carrier
- Aircraft: [N398SW](https://openairdocs.org/aircraft/N398SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27692
- Aircraft time: 65,711 hours, 52,955 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 71211977101AC
- Part serial: 0160314
- Condition: Faulty
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2015081142726

## Discrepancy

DECLARED EMER CABIN ALTITUDE WARNING HORN SOUNDED AT ALTITUDE.  EMER DESCENT ACCOMPLISHED.  CABIN ALTITUDE WENT UP ABOVE 10000 FT.  PAX OXYGEN MASKS DID NOT DEPLOY. A PORTION OF CRUISE WAS FLOWN IN FREEZING MOISTURE.  R & R NR 2 CABIN PRESS CONTROLLER IAW MM.

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