Service difficulty report · Transceiver · Boeing 737990ER

Difficulty date
November 12, 2017
Submitted
November 14, 2017
Operation
Air carrier
Aircraft
N494AS
Make and model
Boeing 737990ER
Aircraft serial
41729
Aircraft time
7,067 hours, 2,320 cycles
Part
Transceiver
Part number
8220990004
Part serial
473FH0
Condition
Failed
Location
Hf Comms
Part time
7,070 hours, 2,321 cycles
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

HF-1 CONTROL PANEL INDICATES FAILED. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 HF TRANSCEIVER. OPS CHECK GOOD IAW AMM 23-11-21.