# SDR UIEA2019031103521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2019
- Submitted: March 12, 2019
- Operation: Air carrier
- Aircraft: [N1049A](https://openairdocs.org/aircraft/N1049A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30109
- Aircraft time: 80,804 hours, 10,974 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Relief Valve
- Condition: Obstructed
- Location: Cabin Pressure
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019031103521

## Discrepancy

ON POSTFLIGHT, FOUND OVER-PRESSURE RELIEF VALVE NOT FLUSH WITH FUSELAGE(<P>FOUND PIECE OF DEBRIS BETWEEN UPPER POSITIVE PRESSURE RELIEF VALVE FLANGE DOOR AND ACFT SKIN. REMOVED DEBRIS AND FLAPPER DOOR OPERATES NORMALLY PER AMM 21-32-00 NO DEFECTS NOTED.</P>)

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