# SDR 96ZZZX2931

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N707CA](https://openairdocs.org/aircraft/N707CA), registered now
- Make and model: Boeing 727224
- Aircraft serial: 20662
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Relief Valve
- Part number: 7248272
- Condition: Out Of Position
- Location: Cabin
- Stage of operation: IN
- Nature of condition: J, W
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX2931

## Discrepancy

CABIN PRESSURE CONTROL INOPERABLE.  LEFT AND RIGHT RELIEF VALVES FOUND CLOCKED FROM 180 DEGREES FROM CORRECT AT INSTALLATION.  REPLACED BOTH VALVES.  AIRCRAFT RETURNED TO SERVICE.

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