Service difficulty report · Transceiver · Boeing 74787UF

Difficulty date
August 22, 2026
Submitted
August 25, 2026
Operation
Air carrier
Aircraft
N851GT
Make and model
Boeing 74787UF
Aircraft serial
37565
Aircraft time
60,809 hours, 9,449 cycles
Part
Transceiver
Part number
8220990004
Part serial
18N6DX
Condition
Inoperative
Location
Hf Comms
Stage of operation
CR
How discovered
O
Nature of condition
G
Precautionary procedure
A

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

What was found

RIGHT HF INOPERATIVE. NO HF CAPABILITY, LT & RT UNABLE TO TRANSMIT. R & R HF ANTENNA COUPLER IAW AMM 23-11-03. R & R RT AND LT HF TRANSCIEVER IAW AMM 23-11-05/401 AND LT & RT HF SYS OPS CHECKS GOOD.

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