Service difficulty report · Transceiver · Boeing 737890

Difficulty date
March 8, 2021
Submitted
March 11, 2021
Operation
Air carrier
Aircraft
N535AS
Make and model
Boeing 737890
Aircraft serial
35200
Aircraft time
37,235 hours, 10,719 cycles
Part
Transceiver
Part number
8220990004
Part serial
18RTGP
Condition
Failed
Location
Nr Hf Comms
Part time
26,100 hours, 8,389 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

NR 2 HF TRANSCIEVER HAD NO SIDETONE. GROUNDED - YES. REMOVED AND REPLACED THE NR 2 HF TRANSCEIVER IAW B737-800 AMM 23-11-21-400-801 OP'S CHECK GOOD.