# SDR UALA2011020700627

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2011
- Submitted: February 7, 2011
- Operation: Air carrier
- Aircraft: [N496UA](https://openairdocs.org/aircraft/N496UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1845
- Aircraft time: 28,197 hours, 12,474 cycles
- Engine: Iae V2527A5
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Microphone
- Condition: Inoperative
- Location: Oxygen Mask
- 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/UALA2011020700627

## Discrepancy

F/O'S OXYGEN MASK MICROPHONE IS INOPERATIVE.  WHEN MASK IS STOWED WHITE TAB INDICATING MASK MICROPHONE IS HOT WILL NOT RESET.  REPLACED STOWAGE BOX OP'S GOOD IAW MM.

---
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.