# SDR UALA2009092903065

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2009
- Submitted: September 30, 2009
- Operation: Air carrier
- Aircraft: [N491UA](https://openairdocs.org/aircraft/N491UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1741
- Aircraft time: 24,103 hours, 10,859 cycles
- Engine: Iae V2527A5
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Switch
- Part number: 442414
- Condition: Malfunctioned
- Location: Oxygen Masks
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009092903065

## Discrepancy

EMERGENCY OXYGEN MASKS AT SEATS 16DEF FAILED TO DEPLOY.  REPLACED SOLENOID ACTUATOR DOOR SWITCH AT 16DEF.

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