SDR ASAA2018030923806

Service difficulty report · Hf Comm · Boeing 737890

Difficulty date: March 9, 2018
Submitted: March 12, 2018
Operation: Air carrier
Aircraft: N513AS
Make and model: Boeing 737890
Aircraft serial: 35192
Aircraft time: 36,240 hours, 10,895 cycles
System (JASC): 2310 · HF Communications System
Part: Hf Comm
Condition: Malfunctioned
Location: Nr 2
Stage of operation: NR
How discovered: O
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

CAPTAIN`S AND FIRST OFFICER`S COMMUNICATION PANELS DISPLAY FAILED WHEN HF 2 IS SELECTED. ACFT GROUNDED. CYCLED THE HF 2 CIRCUIT BREAKER P6-1 D2, SYSTEM RESTORED TO NORMAL. ACCOMPLISHED HF OPS TEST IAW AMM 23-11-00-710-801. GROUND VERIFICATION TEST PASSED, NO HISTORY PAST 30 DAYS.