# SDR UALA2012071303785

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2012
- Submitted: July 30, 2012
- Operation: Air carrier
- Aircraft: N425UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 508
- Aircraft time: 59,403 hours, 22,506 cycles
- Engine: Iae V2527A5
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Unwanted Deploy
- Location: Row 20 Abc
- 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/UALA2012071303785

## Discrepancy

DUE TO INADVERTENT O2 MASK DROP AT ROW 20ABC, MT 35-003 COMPLIED WITH.  ACCOMPLISHED O2 SYSTEM RELEASE CHECK PER MT35-003 AND AMM 35-23-00-710-001, CHECKED GOOD.

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