# SDR UALA2013040502293

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2013
- Submitted: April 10, 2013
- Operation: Air carrier
- Aircraft: [N824UA](https://openairdocs.org/aircraft/N824UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 965
- Aircraft time: 49,111 hours, 19,559 cycles
- Engine: Iae V2522A5
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Amu
- Part number: AMU2790CB04
- Part serial: 89
- Condition: Inoperative
- Location: Audio Control
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013040502293

## Discrepancy

FIRST OFFICER`S OXYGEN MASK MICROPHONE IS INOPERATIVE.  O2 MASK NO HELP, O2 BOX NO HELP, ORIGINAL  INSTALLED.  REMOVED AND REPLACED AMU, OPS CHECK OKAY.

---
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.