Service difficulty report · Warning Message · Boeing 737890

Difficulty date
April 19, 2019
Submitted
April 22, 2019
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
46,566 hours, 14,069 cycles
Part
Warning Message
Condition
False Activation
Location
Nr 1 Hf System
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

HF1 SHOWING FAIL/FAIL ON RADIO TUNING PANEL. GROUNDED - YES. OPENED AND RESET HF1 C/B. RTP RETURNED TO NORMAL DISPLAY. PERFORMED HF 1 COMM OPS TEST REF B737-800 AMM 23-11-00-710-801. OPS NML. NO FAULTS.