Service difficulty report · Audio Control · Airbus A319131

Difficulty date
November 25, 2024
Submitted
November 27, 2024
Operation
Air carrier
Aircraft
N844UA
Make and model
Airbus A319131
Aircraft serial
1581
Aircraft time
70,655 hours, 31,465 cycles
Part
Audio Control
Part number
AMU2790CB06
Part serial
9060
Condition
Unknown
Location
Zone 100
Part time
770,652 hours, 731,464 cycles
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.

What was found

AT 120KTS HAD COMPLETE RADIO AND INTERCOMM TRANSMISSION FAILURE ON VHF1 VHF2 AND VHF3 FOUND VHF 1 2 AND 3 OPERATING NORMALLY. ESTABLISHED COMMUNICATION WITH GROUND OPS USING ALL THREE VHF. ACCMP RMP BITE REF AMM 23-13-00-740-001-A FOR RMP 1 2 AND 3. ACCMP VHF 1 2 AND 3 SYSTEM BITE REF AMM 23-12-00-740-001-A. REPLACED AMU PRECAUTIONARY REF AMM 23-51-34. AMU SYSTEM TEST PASS AND ALL COMMUNICATIONS OPERATING NORMALLY.

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