# SDR UIEA2026090900862

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2026
- Submitted: September 10, 2026
- Operation: Air carrier
- Aircraft: [N663GT](https://openairdocs.org/aircraft/N663GT), registered now
- Make and model: Boeing 767324
- Aircraft serial: 27568
- Aircraft time: 116,888 hours, 24,109 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MC1008109
- Condition: Leaking
- Location: Zone 200
- 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/UIEA2026090900862

## Discrepancy

FIRST OFFICER O2 MASK LEAKING.  REMOVED & REPLACED THE O2 MASK ASSY IAW AMM 35-11-51.  OPS CHKD GOOD. THIS CLEARS DMI 25894, PLACARDS REMOVED.

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