What was found
CAPTAIN`S AUDIO PANEL HAS VOLUME SPIKES ON VHF L WHEN VOLUME IS ADJUSTED. REPLACED CAPTAIN`S ACP IAW AMM.
- Difficulty date
- September 30, 2013
- Submitted
- October 4, 2013
- Operation
- Air carrier
- Aircraft
- N221UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30552
- Aircraft time
- 51,992 hours, 6,441 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2350 · Audio Integrating System
- Part
- Audio Panel
- Part number
- 570111
- Part serial
- 1695
- Condition
- Faulty
- Location
- Cockpit
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.