# SDR UIEA2019022093275

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2019
- Submitted: February 20, 2019
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- Aircraft time: 91,824 hours, 21,270 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Condition: Inoperative
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019022093275

## Discrepancy

R/H SUPERNUMERATY O2 MASK INOP.(<P>TRANSFERRED TO MDDR 107504.<BR /></P><P>LP 1047746: TEST SW ASSEMBLY SCREW FOUND LOOSE. ADJUSTED IAW SRM 51-42-01 AND 35-11-51 OPS TEST OK. MDDR 107504 IS CLOSED. <BR /></P>)

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