Service difficulty report · Transceiver · Boeing 737890

Difficulty date
July 5, 2022
Submitted
July 7, 2022
Operation
Air carrier
Aircraft
N519AS
Make and model
Boeing 737890
Aircraft serial
36482
Aircraft time
48,783 hours, 14,333 cycles
Part
Transceiver
Part number
8220990004
Part serial
17H336
Condition
Inoperative
Location
E/E Rack E8
Part time
47,351 hours, 13,695 cycles
Stage of operation
NR
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

HF 1 RADIO RECEIVE ONLY. UNABLE TO TRANSMIT. GROUNDED - YES. #1 HF WOULD NOT TEST. REMOVED AND REPLACED # 1 HF TRANSCEIVER PER B737-800 AMM 23-11-21. HF 1 TRANSMITS BUT RECEIVES GARBLED. FLIGHT VERIFICATION SUCCESSFUL, #1 AND #2 HF TRANSMIT/ RECEIVE NORMAL.