# SDR 2008UALA04123

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2008
- Submitted: August 21, 2008
- Operation: Air carrier
- Aircraft: [N472UA](https://openairdocs.org/aircraft/N472UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1435
- Aircraft time: 24,724 hours, 10,162 cycles
- Engine: Iae V2527A5
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen System
- Part number: 6490376
- Condition: Leaking
- Location: 1st Officer'S
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA04123

## Discrepancy

F/O'S OXYGEN HARNESS FAILS TO INFLATE (IS LEAKING).  CREW COMMENTS:  MASKS DOES NOT TEST PROPERLY.  *S/D*  O2 BOX LEAKING AND TEST SWITCH IS STICKING.  REPLACED 10RN3, 3RD OCCUPANT OXY BOX.  OPS CHECKED NORMAL.

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