# SDR UALA2010082303100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2010
- Submitted: August 27, 2010
- Operation: Air carrier
- Aircraft: [N479UA](https://openairdocs.org/aircraft/N479UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1538
- Aircraft time: 29,680 hours, 13,203 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/UALA2010082303100

## Discrepancy

CAPTAIN'S OXYGEN MASK MICROPHONE IS INOPERATIVE. SWAPPED CAPT. O2 MASK BOX WITH 2ND OBS. MASK BOX THAT DOES NOT USE O2 MIC. NO NEED TO REPLACE 2ND OBS MASK  BOX.  REPLACED 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.