# SDR UALA2011050202131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2011
- Submitted: May 27, 2011
- Operation: Air carrier
- Aircraft: [N406UA](https://openairdocs.org/aircraft/N406UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 454
- Aircraft time: 57,483 hours, 21,562 cycles
- Engine: Iae V2527A5
- System (JASC): [3500 · Oxygen System](https://openairdocs.org/jasc/3500)
- Part: Valve
- Condition: Faulty
- Location: Oxygen System
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011050202131

## Discrepancy

O2 SYSTEMS FAULTY, FLIGHT DIVERTED.   FOUND TANK DUMP OVERFLOW VALVE PARTIALLY OPEN.  CYCLED FILL AND DUMP VALVES.  ALL OP'S NORMAL.  RESERVICED AND PRESSURIZIED SYSTEM.  NO LEAKS NOTED.

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