# SDR UALA2013071004812

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2013
- Submitted: August 14, 2013
- Operation: Air carrier
- Aircraft: [N579UA](https://openairdocs.org/aircraft/N579UA), registered now
- Make and model: Boeing 757222
- Aircraft serial: 26697
- Aircraft time: 66,331 hours, 23,553 cycles
- Engine: Pwa PW2040
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Microphone
- Condition: Inoperative
- Location: Cockpit
- 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/UALA2013071004812

## Discrepancy

NR 3 BOOM MICROPHONE IS DEFECTIVE.   MICOPHONE WILL NOT TRANSMIT. REPLACED BOOM MIC.

---
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.