Service difficulty report · Transceiver · Boeing 737990ER

Difficulty date
February 23, 2022
Submitted
February 25, 2022
Operation
Air carrier
Aircraft
N478AS
Make and model
Boeing 737990ER
Aircraft serial
44105
Aircraft time
24,368 hours, 7,761 cycles
Part
Transceiver
Part number
8220990004
Part serial
46T3GC
Condition
Inoperative
Location
Aft Cargo Compt
Part time
24,355 hours, 7,756 cycles
Stage of operation
NR
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

HF 2 SHOWING "FAIL" ON COM PANEL. GROUNDED - YES. REMOVED AND REPLACED #2 HF XCEIVER REF B737-900 AMM 23-11-21. OPS CHECK NORMAL PER SAME, NO FAULTS NOTED AT THIS TIME.