Service difficulty report · Transceiver · Boeing 737890

Difficulty date
July 19, 2021
Submitted
July 20, 2021
Operation
Air carrier
Aircraft
N531AS
Make and model
Boeing 737890
Aircraft serial
35199
Aircraft time
39,435 hours, 11,460 cycles
Part
Transceiver
Part number
8220990004
Part serial
18RTDY
Condition
Failed
Location
Nr 2 Hf Comms
Part time
24,342 hours, 7,139 cycles
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

HF 2 RADIO INOP. GROUNDED - YES. HF 2 TRANSCEIVER FAILED PUSH TO TEST BITE TEST. REMOVED & REPLACED HF 2 TRANSCEIVER IAW B737-800 AMM 23-11-21-400-801. PERFORMED BITE TEST B737-800 FIM 23-11-TASK 801. OPS CHECKS NORMAL.