# SDR 2008UALA04024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2008
- Submitted: August 21, 2008
- Operation: Air carrier
- Aircraft: [N648UA](https://openairdocs.org/aircraft/N648UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25285
- Aircraft time: 67,809 hours, 11,053 cycles
- Engine: Pwa PW4060
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Microphone
- Condition: Inoperative
- Location: Oxygen Mask
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA04024

## Discrepancy

CAPTAIN'S OXYGEN MASK MIC INOP.  *S/D*  SUSPECT PRE FLIGHT CHECKS.  REPLACED NR 1 O2 BOX.  AC OK FOR SERVICE.

---
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.