What was found
1ST OBS AUDIO CTL PNL IST OBS HAS NO OUTPUT. FAILED ON TEST. REPLACED 1ST OBS AUDIO CTL PNL AS PER MM. CHECKED OKAY.
- Difficulty date
- December 5, 2011
- Submitted
- December 14, 2011
- Operation
- Air carrier
- Aircraft
- N213UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30219
- Aircraft time
- 40,791 hours, 8,902 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2350 · Audio Integrating System
- Part
- Control Panel
- Part number
- 570111
- Part serial
- 55
- Condition
- Malfunctioned
- Location
- Audio
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.