# SDR UIEA2025020600120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2025
- Submitted: February 6, 2025
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- Aircraft time: 99,892 hours, 21,372 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Valve
- Condition: Sticking
- Location: Oxygen Mask
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2025020600120

## Discrepancy

VALVE ON CAPT'S OXYGEN MASK STICKS.(<P>PERFORMED CREW OXYGEN MASK/REGULATOR TEST IAW B767 AMM 35-11-00-715-256, CAPT OXYGEN MASK OPS CHECK GOOD. NO FAULTS NOTED AT THIS TIME.</P>)

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