Service difficulty report · Indication Sys · Boeing 7377Q8

Difficulty date
September 14, 2024
Submitted
September 16, 2024
Operation
Air carrier
Aircraft
N7851A
Make and model
Boeing 7377Q8
Aircraft serial
28240
Aircraft time
66,195 hours, 43,530 cycles
Part
Indication Sys
Condition
False Indication
Location
Fuel System
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

FUEL IMBALANCE #1 FUEL INDICATOR; IMBALANCE GREATER THAN 1500LBS ON DEPARTURE. RAN QRH; SHUTDOWN #1 ENG IAW #1 INDICATED 7100 #2 INDICATED 8620<[01] INTERROGATED FQIS PEER FIM 28-41 TASK 801; NO CURRENT FAULTS OR INFLT FAULTS RECORDED. PERFORMED EEC BITE TEST PER AMM 73-21-00 NO CURRENT FAULTS OR FAULT HISTORY.;[02] C/W DRIP STICK CHECK OF FUEL TANKS CENTER IS 0 STICKS 0.<BR>#1 INDICATES 6410 STICKS 4.8 (6544) #2 INDICATES 6610 STICKS 5.8 (6744) PER MEL DRIP STICK CHART 1;[03] C/W 70% N1 POWER RUN FOR 10 MINUTES NO ABNORMAL FUEL BURN OR FUEL QUANTITY SPLITS. PER AMM 71-00-00;[04] C/W FQIS BITE CHECK PER FIM 28-41 TASK 801; NO CURRENT FAULTS OR INFLT FAULTS. C/W EEC BITE TEST PER AMM 73-21-00 NO CURRENT FAULTS OR FAULTS IN HISTORY. C/W FUEL DRIP STICK CHECK ER MEL CHART 1 NOTED #1 DIFFERENCE OF 130LBS AND #2 DIFFERENCE OF 120LBS. C/W 70% N1 POWER RUN FOR 10 MINUTES NO ABNORMAL FUEL BURN OR FUEL QUANTITY SPLITS PER AMM 71-00-00

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