# SDR UIEA2019042603972

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2019
- Submitted: April 26, 2019
- Operation: Air carrier
- Aircraft: [N1409A](https://openairdocs.org/aircraft/N1409A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 27960
- Aircraft time: 90,369 hours, 17,152 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MC1008109
- Part serial: SE72273
- Condition: Inoperative
- 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/UIEA2019042603972

## Discrepancy

RIGHT SUPERNUMERARY SEAT OXYGEN MASK INOP.(<P>TRANSFERRED TO DMI 110647.</P><P>LOG PAGE 1078435: REF DMI 110647, REMOVED AND REPLACED RH SUPERNUMERARY O2 MASK IAW AMM 35-11-51. OPS CHECKS GOOD. THIS CLEARS DMI 110647. MCC NOTIFIED AND PLACARDS REMOVED.</P>)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.