What was found
AUDIO INOP IN ENTIRE CABIN, SOMETHING SHORTING OUT MUX BOX. MAIN MUX TRANSISTOR ON A4 CIRCUIT CARD FOUND BURNT. REPLACED MAIN MUX.
- Difficulty date
- March 30, 2006
- Submitted
- September 26, 2006
- Operation
- Air carrier
- Aircraft
- N459UA
- Make and model
- Airbus A320232
- Aircraft serial
- 1192
- Aircraft time
- 20,185 hours, 8,055 cycles
- Engine
- Iae V2527A5
- System (JASC)
- 2300 · Communications System
- Part
- Circuit Card
- Condition
- Shorted
- Location
- Multiplexer
- Component
- Multiplexer
- Component part number
- RDAX13012E
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.