Service difficulty report · Warning Message · Boeing 737890

Difficulty date
November 29, 2017
Submitted
November 30, 2017
Operation
Air carrier
Aircraft
N529AS
Make and model
Boeing 737890
Aircraft serial
35198
Aircraft time
29,853 hours, 8,939 cycles
Part
Warning Message
Condition
False Indication
Location
Nr 2 Hf Comms
Stage of operation
NR
How discovered
9
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

HF NR 2 FAILED. ACFT GROUNDED. VERIFIED CONTROL HEADS SHOWS FAIL WITH NR 2 HF SELECTED. PERFORMED FIM 23-11, TASK 802. NR 2 HF BITE IS NORMAL, NO FAULTS, GROUND VERIFICATION SUCCESSFUL.