# SDR UALA2011120506673

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2011
- Submitted: December 14, 2011
- Operation: Air carrier
- Aircraft: [N213UA](https://openairdocs.org/aircraft/N213UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30219
- Aircraft time: 40,752 hours, 8,896 cycles
- Engine: Pwa PW4077
- System (JASC): [2312 · VHF Communications System](https://openairdocs.org/jasc/2312)
- Part: Audio Control
- Part number: 5700110
- Part serial: 73
- Condition: Faulty
- Location: Nr 1 Vhf
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011120506673

## Discrepancy

ON TAXI OUT VHF 1 RADIO BECAME SCRATCHY AND UNREADABLE.  REPLACED AUDIO MANAGEMENT UNIT PER AMM.  ALL FUNCTIONS CHECK NORMAL.  RADIO CHECK NORMAL.

---
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.