# SDR UALA2011020800671

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2011
- Submitted: February 9, 2011
- Operation: Air carrier
- Aircraft: [N427UA](https://openairdocs.org/aircraft/N427UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 512
- Aircraft time: 54,887 hours, 20,467 cycles
- Engine: Iae V2527A5
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Solenoid
- Condition: Faulted
- Location: Oxygen Regulator
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011020800671

## Discrepancy

REGULATOR LOW PRESSURE MESSAGE DISPLAYED ON LOWER ECAM WHEN MASKS ARE TESTED.  REPLACED PRESSURE SWITCH 4WV IAW MM, NO HELP.  REPLACED OXYGEN PRESSURE REGULATOR 4HT IAW MM (TWICE).  NO HELP.  PILOT REPORTED "ALONG WITH MESSAGE, WE DO NOT GET ENOUGH OXYGEN FROM OUR MASKS."  REPLACED LP OXYGEN SHUTOFF SOLENOID.

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