# SDR SWAA2012022701760

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2012
- Submitted: February 27, 2012
- Operation: Air carrier
- Aircraft: N348SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 24375
- Aircraft time: 74,470 hours, 65,178 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Duct
- Part number: AS15006D1110
- Condition: Loose
- Location: Ac Bay
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2012022701760

## Discrepancy

EMERGENCY DESCENT, LOSS OF PRESSURIZATION AT FL350 CABIN ALT REACHED 15,000FT DURING DESCENT TO 10,000FT LOSS OF PRESS & EMERG DESCENT QRH COMPLETE "PASS OXYGEN ON" LIGHT WITH DROPPED MASK DURING DESCENT.  REMOVED AND REPLACED BOOT, DUCT, AND CLAMP PER MM.

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