Service difficulty report · Pump · Boeing 7772Q8

Difficulty date
May 16, 2017
Submitted
May 22, 2017
Operation
Air carrier
Aircraft
N745AM
Make and model
Boeing 7772Q8
Aircraft serial
32718
Aircraft time
51,607 hours, 5,711 cycles
Part
Pump
Part number
568129117003
Part serial
2325
Condition
Failed
Location
Fuel
Part time
51,607 hours, 5,711 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

CAPTAIN REPORTED THAT DURING CRUISE, THE FUEL QUANTITY INDICATION WAS WRONG, FUEL QUANTITY WAS VERIFIED USING FUEL DIPSTICK. OPS TESTED FOR THE SYSTEM FUEL QUANTITY INDICATOR PERFORMED IAW AMM 28-24-00, FUEL TRANSFER WHEN NOT COMMANDED WAS PERFORMED IAW FIM 28-22 TASK 849, DETECTING THE CENTRAL TANK FUEL LEFT OVERRIDE PUMP WITH FAULT, THEREFORE PUMP WAS REPLACED IAW AMM 28-22-06, ALL TESTED CORRECT.

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