# SDR UPS01235327

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2001
- Submitted: March 26, 2001
- Operation: Air carrier
- Aircraft: [N917UP](https://openairdocs.org/aircraft/N917UP), registered now
- Make and model: Boeing 727-30C
- Registry model: [Boeing 727-30C](https://openairdocs.org/model/boeing-727-30c) (OpenAirDocs)
- Aircraft serial: 19310
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Condition: Failed
- Location: Cockpit
- 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/UPS01235327

## Discrepancy

D-SECOND OBSEVERS. O2 MASK INOP M-211583.   R & R 02 MASK & CLEANED AUDIO JACK. CHECKS GOOD THIS CLEARS DFRL.

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