What was found
AIRCRAFT WAS GROUNDED. VHF1 AND 2 HAVE EXCESSIVE BLEED OVER FROM ALL OTHER UNSELECTED RADIOS. DIFFICULT TO HEAR CONTROLLERS INSTRUCTIONS. REMOVED AND REPLACED AUDIO MANAGEMENT UNIT, PER AMM 23-51-34.
- Difficulty date
- December 1, 2020
- Submitted
- December 3, 2020
- Operation
- Air carrier
- Aircraft
- N755US
- Make and model
- Airbus A319112
- Aircraft serial
- 1331
- Aircraft time
- 48,118 hours, 33,948 cycles
- System (JASC)
- 2312 · VHF Communications System
- Part
- Amu
- Part number
- 2790CB06
- Part serial
- 182
- Condition
- Inoperative
- Location
- Vhf Comms
- Part time
- 82,826 hours, 38,589 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.