Service difficulty report · Warning Message · Boeing 737890

Difficulty date
March 29, 2019
Submitted
April 1, 2019
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
46,312 hours, 14,008 cycles
Part
Warning Message
Condition
False Activation
Location
Nr 1 Hf Comms
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

BOTH CONTROL PANELS SHOW "FAIL" ON ACTIVE & STANDBY SIDE FOR HF1. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 23-11 TASK 806. HF GROUND VERIFICATION TEST GOOD REF FIM 23-11 TASK 801.