# SDR USAASB96011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N520AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23706
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Valve
- Part number: 7207375
- Condition: Failed
- Location: Aft Cargo Compt
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB96011

## Discrepancy

FLT NR 1111 - PIT - RAPID DEPRESSURIZATION AT FL 370.  CABIN CLIMBED AT 2000 FT/MINUTE.  PRESS CONTROLLER WOULD NOT CONTROL CABIN IN STANDBY, MANUAL AC, OR MANUAL DC.  MAINTENANCE REPLACED RIGHT SAFETY RELIEF VALVE.  (M)

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