# SDR UALA2011051802442

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2011
- Submitted: May 19, 2011
- Operation: Air carrier
- Aircraft: N546UA
- Make and model: Boeing 757222
- Aircraft serial: 25367
- Aircraft time: 73,095 hours, 21,279 cycles
- Engine: Pwa PW2037
- System (JASC): [2340 · Interphone/Passenger Announcement (PA) System](https://openairdocs.org/jasc/2340)
- Part: Selector Panel
- Part number: 503111
- Part serial: 15
- Condition: Faulty
- Location: Interphone
- 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/UALA2011051802442

## Discrepancy

COMM ON SERVICE INTERPHONE. NOISY & INOPERATIVE FROM AUDIO SELECTOR PANEL. NORMAL FROM OTHER CREW POSNS.  LOUD BACKGROUND NOISE-BUZZ, CONTINUOUS IN ALL SELECTIONS.  REPLACED NR 2 AUDIO SELECTOR PANEL, TESTED 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.