Service difficulty report · None · Boeing 777FS2

Difficulty date
December 8, 2021
Submitted
December 9, 2021
Operation
Air carrier
Aircraft
N854FD
Make and model
Boeing 777FS2
Aircraft serial
37725
Aircraft time
44,500 hours, 7,050 cycles
Part
None
Part number
0330KPU02
Part serial
FE012546
Condition
Unknown
Location
N/A
Part time
12,751 hours, 1,939 cycles
Stage of operation
CR
How discovered
V
Nature of condition
J
Precautionary procedure
A

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

What was found

PDIS 854 28-41 2132 08DEC21 ANC APPROX 2.5 HRS INTO FLT HAD FUEL IMBALANCE ON EICAS. AS WE RAN ECL WE NOTICED DISCREPANCIES IN TOTALIZER FUEL AND CALCULATED FUEL ON PROG P.2. THESE 2 ITEMS LED US TO RUN FUEL DISAGREE AND FUEL LEAK CHECKLISTS. AFTER ALL THIS AND CONSULTING WITH GOC, MOCC, JOHN HUNT AND DON ULSH IT WAS DECIDED TO DIVERT TO PANC. FACT 08DEC21 20:05 ANC CHECKED EXISTING FAULTS IN MAT , NOTED ONE INTERMITTENT FAULT FQPU MAINTENANCE MSG 28-20200. NO EXISTING RELATED FAULTS. CW FIM TASK 28-4100-810-824. R&R FQPU IAW M/M 28_41_01_4_0 . SOFTWARE CHK SATIS. ADJ/TEST OF FUEL QTY SATIS., VERIFIED QTY WITH STICKS, OK FOR SVC.

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