Service difficulty report · Boost Pump · Boeing 737522

Difficulty date
August 3, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N917UA
Make and model
Boeing 737522
Aircraft serial
25384
Engine
Ge CFM56*
Part
Boost Pump
Condition
Malfunctioned
Location
Nr 1 Fuel Tank
Stage of operation
CL
Nature of condition
Y, J
Precautionary procedure
A

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

What was found

NR 1 ENGINE SHUT DOWN. *S/D* REPLACED FUEL SHUTOFF VALVE GATE, ACTUATOR, FORWARD AND AFT FUEL BOOST PUMPS FOR THE NUMBER ONE TANK. FOUND BOTH BOOST PUMPS NOT SUPPLING FUEL AT REQUIRED PRESSURE.