Service difficulty report · Unknown · Boeing 737890

Difficulty date
July 23, 2018
Submitted
July 24, 2018
Operation
Air carrier
Aircraft
N583AS
Make and model
Boeing 737890
Aircraft serial
35681
Aircraft time
41,760 hours, 12,342 cycles
Part
Unknown
Condition
Malfunctioned
Location
Hf Comm
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

HF NR 2 WILL NOT CHANNELIZE. GROUNDED - YES. ACCOMPLISHED HF COMM SYS BITE, NO BITE. CYCLED HF1 AND HF2 C/B'S. HF TRANSCEIVERS BITE TEST GOOD. HF1 AND HF2 COMM OPS NORMAL. PILOTS ACCOMPLISHED GROUND VERIFICATION REF FIM 23-11 TASK 801.