Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
December 23, 2018
Submitted
December 24, 2018
Operation
Air carrier
Aircraft
N486AS
Make and model
Boeing 737990ER
Aircraft serial
44107
Aircraft time
13,172 hours, 4,376 cycles
Part
Warning Light
Condition
False Activation
Location
Nr 2 Hf Comms
Stage of operation
TX
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 SHOWS "FAIL" ON BOTH RADIO CONTROL HEADS. GROUNDED - YES. RESET #2 HF C/B AND CLEARED "FAIL" MESSAGE ON BOTH RADIO CONTROL HEADS. OPS CHECKS OK.