SDR ASAA2013071495604

Service difficulty report · Fmc · Boeing 737890

Difficulty date: July 14, 2013
Submitted: July 17, 2013
Operation: Air carrier
Aircraft: N512AS
Make and model: Boeing 737890
Aircraft serial: 39043
Aircraft time: 18,853 hours, 5,876 cycles
System (JASC): 2840 · Fuel Indicating System
Part: Fmc
Condition: Intermittent
Stage of operation: NR
How discovered: 9
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

FMC SCRATCH PAD STATES VERIFIED GROSS WEIGHT AND FUEL FMC PERFORMANCE PAGE FUEL QTY BLANKS OUT THEN REAPPEARS. ACFT GROUNDED. PERFORMED FQIS BITE FOUND NO PRESENT FAULT. PERFORMED GROUND TEST SHOWED PASS. IN FAULT HISTORY FOUND FAULT 28-41001 IN FLT FAULTS. FIM 28-41, TASK 809 DUE TO GROUND TEST PASS DETERMINED FAULT TO BE INTERMITTENT. NO HISTORY PAST 30 DAYS. ACFT GOOD FOR SERVICE.