# SDR USAA2012043000014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2012
- Submitted: April 30, 2012
- Operation: Air carrier
- Aircraft: [N539UW](https://openairdocs.org/aircraft/N539UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4082
- Aircraft time: 8,685 hours, 3,257 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Strap
- Condition: Misinstalled
- Location: Oxygen Mask
- Stage of operation: NR
- How discovered: O
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2012043000014

## Discrepancy

FIRST OFFICER'S OXYGEN MASK HEADSTRAPS ARE ATTACHED INCORRECTLY.  MAINTENANCE CORRECTED MASK HEADSTRAPS.

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