SDR ASAA2020022652272

Service difficulty report · Hf Comm · Boeing 737890

Difficulty date: February 25, 2020
Submitted: February 26, 2020
Operation: Air carrier
Aircraft: N533AS
Make and model: Boeing 737890
Aircraft serial: 35201
Aircraft time: 35,818 hours, 10,375 cycles
System (JASC): 2310 · HF Communications System
Part: Hf Comm
Condition: Malfunctioned
Location: Nr 1
Stage of operation: NR
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 INOP. GROUNDED - YES. CYCLED AIRCRAFT POWER, PERFORMED OPERATIONAL CHECK OF HF #1 RADIO TRANSMISSION PER B737-800 AMM 23-11-00, PERFORMED BITE TEST PER B737-800 FIM 23-11 TASK 801, ALL OPS CHECK NORMAL, GROUND VERIFICATION SUCCESSFULL.