Service difficulty report · Transceiver · Boeing 7378

Difficulty date
August 10, 2026
Submitted
August 14, 2026
Operation
Air carrier
Aircraft
N27261
Make and model
Boeing 7378
Aircraft serial
43464
Aircraft time
17,296 hours, 5,900 cycles
Part
Transceiver
Part number
9640452012
Part serial
6649
Condition
Faulted
Location
Hf Comms
Part time
17,256 hours, 5,888 cycles
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

HF RADIO TRANSMISSION PROBLEM BOTH HF 1 AND 2 WILL NOT TUNE OR TRANSMIT IN FLIGHT. WORKS FOR APPROX 30 MINUTES AND THEN FAILS IN FLIGHT. TROUBLESHOT IAW EGC LP 9921076, REPLACED RT HF TRANSCEIVER, OPS NORMAL.

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