# SDR UALA2012102906221

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2012
- Submitted: November 15, 2012
- Operation: Air carrier
- Aircraft: [N220UA](https://openairdocs.org/aircraft/N220UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30223
- Aircraft time: 48,348 hours, 5,936 cycles
- Engine: Pwa PW40903
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Audio Panel
- Part number: 570111
- Part serial: 117
- Condition: Faulty
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012102906221

## Discrepancy

CAPT AUDIO PANEL, NO GREEN LIGHT ON ADF, WHEN TESTED AND SELECTED.  REPLACED AUDIO PANEL PCN 583-0010 ONLINE IPC 11-31-00-0051 REF; MM 23-51-01 PG 401 OP GOOD REF; MM 23- 51-01 PG 401.

---
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.
