# SDR UALA2011071503604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2011
- Submitted: August 12, 2011
- Operation: Air carrier
- Aircraft: [N431UA](https://openairdocs.org/aircraft/N431UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 571
- Aircraft time: 53,520 hours, 19,820 cycles
- Engine: Iae V2527A5
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Unsecure
- Location: Row 31def
- 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/UALA2011071503604

## Discrepancy

THE 31DEF O2 MASKS FELL DOWN.  REPACKED O2 MASKED AND ACCOMPLISHED DROP TEST.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
