Service difficulty report · Indication Sys · Boeing 777FS2

Difficulty date
January 10, 2019
Submitted
January 11, 2019
Operation
Air carrier
Aircraft
N886FD
Make and model
Boeing 777FS2
Aircraft serial
41065
Aircraft time
25,364 hours, 4,139 cycles
Part
Indication Sys
Condition
Malfunctioned
Location
Fuel System
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

AIRCRAFT DIVERTED TO RKSI, DUE TO HIGHER THAN PLANNED FUEL BURN RATE. REVIEWED MAT, COULDN'T FIND ANY RELATED MSG, REVIEWED FMC AND INDICATED FUEL ONBOARD WAS 162,700LBS, REMAIN FUEL : 20,700LBS, BURNED FUEL WAS 142,000LBS. ALSO PERFORMED EXTERNAL FUEL LEAK INSPECTION, NO LEAKAGE NOTED. PEFORMED FUEL QTY INDICATING SYS WITH THE FUEL MEASURING STICKS PER AMM 28-41-00-5, THERE ARE NO DIFFERENCE BETWEEN ACTUAL FUEL MEASURING STICK ( LT WING NR 3 STICK 30.0-10395 LBS AND RT WING NR 3 STICK 30.6-10796 LBS PER FUEL MEASURING STICK MANUAL 12-11-07 PG 398.94) AND P28 PANEL READS (LT 10.2 AND RT 10.6) AND COCKPIT READS (LT 10.2 AND RT 10.6). CONSULTED MOCC ENG FUEL FLOW WAS NORMAL (LT 8.374 AND RT 8.322). A/C OK FOR SERVICE.

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