# SDR UIEA2026030200072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2026
- Submitted: March 4, 2026
- Operation: Air carrier
- Aircraft: [N703GT](https://openairdocs.org/aircraft/N703GT), registered now
- Make and model: Boeing 777F16
- Registry model: [Boeing 777F16](https://openairdocs.org/model/boeing-777f16) (OpenAirDocs)
- Aircraft serial: 41518
- Aircraft time: 63,321 hours, 8,724 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Hose
- Condition: Leaking
- Location: Oxygen Mask
- 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/UIEA2026030200072

## Discrepancy

FOUND OXYGEN LEAK ON 1ST OBSERVER MASK BOX HOSE.  REMOVED AND REPLACED THE 1ST OBSERVER O2 MASK BOX HOSE IAW AMM 35-11-00. PERFORMED A LEAK CHECK, NO LEAKS NOTED. OPS CHECKED GOOD.

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