# SDR 99ZZZX4195

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N724DB](https://openairdocs.org/aircraft/N724DB), registered now
- Make and model: Gulstm G1159A
- Aircraft serial: 372
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Valve
- Part number: 672890001
- Condition: Inoperable
- Location: Cargo Bay
- Part time: 7,340 hours
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX4195

## Discrepancy

EMERGENCY PRESSURIZATION SHUT-OFF VALVE FAILED IN THE OPEN POSITION CAUSING LOUD AIR NOISE IN BAGGAGE AREA, AND CAUSED CABIN TO GET WARM (AMBIENT TEMP).  VALVE WAS REMOVED AND REPLACED.

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