SDR ASAA2015052511847

Service difficulty report · Hf Comm · Boeing 737890

Difficulty date: May 25, 2015
Submitted: May 27, 2015
Operation: Air carrier
Aircraft: N590AS
Make and model: Boeing 737890
Aircraft serial: 35687
Aircraft time: 28,232 hours, 8,624 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: J
Precautionary procedure: O

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

What was found

CAPTAIN REPORTED HF NR 1 FAIL LIGHT ON WINDOW. HF1 OPS NORMAL. ACFT GROUNDED. RESET CONTROL HEAD FOR CAPTAIN VHF NR 1, HF NR 1 COMM BY RESETTING C/B'S P18-2-D11 AND P18-2-E11. PERFORMED GROUND VERIFICATION. OPS CHECK HF1, VHF1 RADIO. OPS CHECK NORMAL. NO HISTORY 30 DAYS, REF FIM TASK 23-11, TASK 802.