# SDR UIEA2021040900865

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2021
- Submitted: April 9, 2021
- Operation: Air carrier
- Aircraft: [N1229A](https://openairdocs.org/aircraft/N1229A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28884
- Aircraft time: 73,842 hours, 16,743 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MC1008109
- Part serial: 94049
- Condition: Malfunctioned
- Location: Captain'S
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021040900865

## Discrepancy

CAPT O2 MASK NEEDS TO BE REPLACED. EXTREMELY HARD TO BREATH WHEN CHECKED. O2 NOT FLOWING THRU PROPERLY(<P>REMOVED AND REPLACED CAPT 02 MASK IAW AMM 35-11-51. OPS CHECK GOOD, VERIFIED OXYGEN FLOW NORMAL.</P>)

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