Service difficulty report · Hf Comm · Boeing 737890

Difficulty date
June 25, 2019
Submitted
June 27, 2019
Operation
Air carrier
Aircraft
N570AS
Make and model
Boeing 737890
Aircraft serial
35185
Aircraft time
46,778 hours, 13,901 cycles
Part
Hf Comm
Condition
Unknown
Location
Nr 1
Stage of operation
CR
How discovered
9
Nature of condition
O
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 AT CRUISE. NO TX OR RCV. GROUNDED - YES. COULD NOT DUPLICATE DEFECT. #1 HF OPS NRML REF B737-800 AMM 23-11-00. XMIT & RECV OPS NRML, NO "FAIL" (W/ SFO ARINC).