Service difficulty report · Warning System · Boeing 737890

Difficulty date
July 21, 2019
Submitted
July 25, 2019
Operation
Air carrier
Aircraft
N562AS
Make and model
Boeing 737890
Aircraft serial
35091
Aircraft time
49,061 hours, 14,593 cycles
Part
Warning System
Condition
Activated
Location
Cockpit
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 ILLUMINATES FAIL FAIL WHEN SELECTED. HOWEVER CAN SWITCH FREQ AND TUNE AND HEAR SPEAKER ON HF2 WITH SAME FREQUENCY, AND FAIL FAIL ILLUMINATES AGAIN. GROUNDED - YES. ON DEFERRAL.