# SDR UIEA2022031100195

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2022
- Submitted: March 11, 2022
- 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: 91,592 hours, 25,873 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Stowage Box
- Part number: MP147
- Part serial: 511495
- Condition: Inoperative
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2022031100195

## Discrepancy

2ND OBSERVER O2 MASK TEST LEVER DOES NOT RETURN TO RESET PROPERLY.(<P>REMOVED AND REPLACED 2ND OBSERVERS O2 MASK STOWAGE BOX IAW 767 AMM 35-11-51, LEAK CHECK GOOD.</P>)

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