SDR UIEA2015121400728

Service difficulty report · Warning System · Boeing 7673S1

Difficulty date: December 13, 2015
Submitted: December 14, 2015
Operation: Air carrier
Aircraft: N640GT
Make and model: Boeing 7673S1
Aircraft serial: 25221
Aircraft time: 79,181 hours, 16,732 cycles
System (JASC): 2841 · Fuel Quantity Indicator
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: CR
How discovered: O
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

THE FMC SCRATCH PAD SHOWED, MSG FUEL DISAGREE PROG 2, TOTALIZER & CALCULATED WERE 3000 DIFFERENCE BETWEEN THE TWO. ACCOMPLISHED FQIS BITE, TESTED OK IAW AMM 28-41-00 501, NO FQIS PROCESSOR FAULTS, FMC FUEL & TOTALIZER VALUES ARE MATCHED.

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