Service difficulty report · Check Valve · Boeing 7377H4

Difficulty date
August 26, 2016
Submitted
August 30, 2016
Operation
Air carrier
Aircraft
N739GB
Make and model
Boeing 7377H4
Aircraft serial
29275
Aircraft time
62,855 hours, 37,051 cycles
Part
Check Valve
Part number
20C1445
Part serial
9182
Condition
Obstructed
Location
Fuel System
Stage of operation
UK
How discovered
O
Nature of condition
J
Precautionary procedure
E, A

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

What was found

DIVERSION, IN-FLIGHT SHUTDOWN 15 MINUTES INTO FLIGHT WITH 3000 LBS REMAINING IN CENTER TANK, HAD AN 830 LBS IMBALANCE BETWEEN MAIN TANKS. NR 1 TANK STILL FULL NR 2 TANK 830 LBS LOWER. PROGRESS PAGE ARRIVAL FUEL CONTINUED TO DECREASE. R & R RT CENTER TANK BOOST PUMP CHECK VALVE IAW AMM.

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