# SDR SWAA032076

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2003
- Submitted: September 29, 2003
- Operation: Air carrier
- Aircraft: [N501SW](https://openairdocs.org/aircraft/N501SW), registered now
- Make and model: Boeing 737-5H4
- Registry model: [Boeing 737-5H4](https://openairdocs.org/model/boeing-737-5h4) (OpenAirDocs)
- Aircraft serial: 24178
- Aircraft time: 43,019 hours, 43,030 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Clamp
- Part number: BACC10JJ400E
- Condition: Broken
- Location: Air Duct
- Stage of operation: CR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA032076

## Discrepancy

DECLARED EMERGENCY, CABIN ALTITUDE WARNING HORN SOUNDED AT CRUISE.  FOUND, KEELBEAM DUCT CLAMP BROKEN.  REMOVED AND REPLACED DUCT CLAMP AND SEAL PER MM.

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