# SDR UALA2009022400638

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2009
- Submitted: February 25, 2009
- Operation: Air carrier
- Aircraft: N417UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 483
- Aircraft time: 49,932 hours, 17,986 cycles
- Engine: Iae V2527A5
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF20010
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009022400638

## Discrepancy

FIRST OBSERVERS O2 INOP.  REPLACED 2ND OBSERVER'S O2 MASK.  ACCOMPLISHED OPS TEST.  TESTS OKAY.

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