# SDR UIEA2011121200716

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2011
- Submitted: December 12, 2011
- Operation: Air carrier
- Aircraft: [N641GT](https://openairdocs.org/aircraft/N641GT), registered now
- Make and model: Boeing 767-38E
- Registry model: [Boeing 767-38E](https://openairdocs.org/model/boeing-767-38e) (OpenAirDocs)
- Aircraft serial: 25132
- Aircraft time: 67,393 hours, 20,578 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Obstructed
- Location: Cabin Pressure
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2011121200716

## Discrepancy

CABIN AUTO INOPERATIVE MESSAGE, FOUND INSULATION BLOCKING PRESSURE RELIEF VALVE. REMOVED INSULATION. CLEARED FAULT ON PRESSURE CONTROLLER.  GROUND CHECKS GOOD IAW AMM 21-31-00, 21-32-00.

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