SDR ASAA2017020619722

Service difficulty report · Unknown · Boeing 737890

Difficulty date: February 6, 2017
Submitted: February 8, 2017
Operation: Air carrier
Aircraft: N594AS
Make and model: Boeing 737890
Aircraft serial: 35191
Aircraft time: 34,003 hours, 10,273 cycles
System (JASC): 2840 · Fuel Indicating System
Part: Unknown
Condition: Malfunctioned
Location: Fuel System
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: K

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

What was found

REPEAT WRITE UP FROM LOG PAGE 11756555. LEFT FUEL GAUGE AND TOTALIZER BLANK OUT FOR A FEW SECONDS THEN COME BACK. RIGHT FUEL GAUGE AND TOTALIZER BLANKED OUT ONCE FOR A FEW SECONDS THEN RETURNED BACK TO NORMAL. GROUNDED - YES. REF AMM 28-41 TASK 801 FQIS BITE NO CURRENT STATUS FAULTS. IN-FLIGHT FAULTS SHOW MSG 28-51109, PERFORMED GROUND TEST, NO FAULTS FOUND. GROUND VERIFICATION CHECKS GOOD. PERFORMED FIM TASK 28-41 TASK 808 FOR FQIS PROCESSOR AND SEEMED TO BE INTERMITTENT FAULT.