Service difficulty report · Microphone · Boeing 75723A

Difficulty date
May 9, 2023
Submitted
May 9, 2023
Operation
Air carrier
Aircraft
N917FD
Make and model
Boeing 75723A
Aircraft serial
24291
Aircraft time
51,898 hours, 24,399 cycles
Part
Microphone
Part number
6023374
Part serial
0949475
Condition
Faulted
Location
N/A
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT RADIO TRANSMITS INTERMITTENTLY. WHEN ATC IS ABLE TO HEAR THE TRANSMISSION THEY REPORT ONLY BEING ABLE TO HEAR 3 BY 5. A LOUD STATIC ACCOMPANIES EVERY TRANSMISSION. REF. FRM FIM 23-12 FT 802 FOR VHF COMMUNICATIONS TRANSCEIVER BITE PROCEDURE / L VHF ANTENNA M245 IS ON TOP OF FUSELAGE. R&R LEFT VHF TRANSCEIVER AS PER AMM 23-12-01-4. TEST SATIS. A/C OK FOR SERVICE. REMOVED AND REPLACED CAPTAIN HAND MIC AS PER SMP. PERFORMED VHF COM SYSTEM TEST AS PER AMM 23-12-00-5-99. TEST SATIS. MEL CLOSED. A/C OK TO CONTINUE.

More about the Boeing 757-23A