SDR ASAA2019110131216

Service difficulty report · Warning System · Boeing 737890

Difficulty date: November 1, 2019
Submitted: November 5, 2019
Operation: Air carrier
Aircraft: N530AS
Make and model: Boeing 737890
Aircraft serial: 36578
Aircraft time: 37,321 hours, 10,988 cycles
System (JASC): 2310 · HF Communications System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: NR
How discovered: C
Nature of condition: N
Precautionary procedure: K

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

What was found

HF2 "FAIL" DISPLAYED WHEN TESTING HF COM. GROUNDED - YES. PERFORMED BITE OF HF2 SYST REF B737-800 AMM 23-11-00-810-801 NO FAULTS FOUND. PERFORMED HF OPS TEST REF AMM 23-11-00-710-801 OPS CHECKS GOOD. DISPLAY NO LONGER SHOWS "FAIL". FUEL TRUCK REMOVED FROM AREA SUSPECT INTERFERENCE FROM TRUCK.