# SDR UIEA2020041400736

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2020
- Submitted: April 14, 2020
- Operation: Air carrier
- Aircraft: [N1489A](https://openairdocs.org/aircraft/N1489A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27206
- Aircraft time: 106,974 hours, 21,086 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MC1008114
- Part serial: B129118
- Condition: Broken
- Location: Cockpit
- Stage of operation: TX
- 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/UIEA2020041400736

## Discrepancy

#3 SUPERNUMERARY SEAT O2 MASK BROKEN(<P>TRANSFERRED TO MDDR 126960 PER MEL 25-25-03, CAT 'D'.</P><P>LOG PAGE 822013: REMOVED AND REPLACED #3 SUP NUM SEAT O2 MASK IAW AMM REF 35-11-51-004-059 AND 35-11-404-060, MCC NOTIFIED AND THIS CLEARS MDDR 126960.</P>)

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