Service difficulty report · Transceiver · Boeing 737890

Difficulty date
October 2, 2018
Submitted
October 4, 2018
Operation
Air carrier
Aircraft
N519AS
Make and model
Boeing 737890
Aircraft serial
36482
Aircraft time
37,099 hours, 11,102 cycles
Part
Transceiver
Part number
8220990004
Part serial
17H34V
Condition
Defective
Location
Hf Comm
Part time
31,788 hours, 9,517 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

UNABLE TO TRANSMIT ON HF RADIO NR 1. ALL OTHER FUNCTIONS WORK. GROUNDED - YES. DUPLICATED DEFECT COULD RECEIVE BUT NOT TRANSMIT. REPLACED NR 1 HF TRANSCEIVER REF AMM 23-11-21, OPS CHECK NORMAL, SUCCESSFUL GROUND VERIFICATION.