# SDR SWAA106813

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2010
- Submitted: November 10, 2010
- Operation: Air carrier
- Aircraft: [N946WN](https://openairdocs.org/aircraft/N946WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36918
- Aircraft time: 1,957 hours, 1,164 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator
- Part number: 1074847
- Part serial: 12045
- Condition: Faulty
- Location: Ac Bay
- 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/SWAA106813

## Discrepancy

DECLARED EMERGENCY.  ON ARRIVAL OUT OF 32000FT "CABIN AH" HORN - CABIN WENT TO 10,500FT.  REMOVED AND REPLACED HIGH PRESSURE REGULATOR AND HIGH PRESSURE BLEED VAVLE PER MM.

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