SDR TWRA9780

Service difficulty report · Fuel Valve · Boeing 747121

Difficulty date
May 6, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N604FF
Make and model
Boeing 747121
Aircraft serial
19659
Part
Fuel Valve
Part number
40884
Condition
Leaking
Location
Nr 3 Fuel Tank
Stage of operation
CR
Nature of condition
O
Precautionary procedure
K

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

What was found

NR 3 MAIN FULE TANK INDICATES AN INCREASE OF 4200 LBS PER HOUR. REPLACED NR 3 MAIN FUEL VALVE AND LEFT PUMP DISCHARGE CHECK VALVE. REPLACED I/B FILL VALVE AND FLAPPER IN I/B PUMP CHECK VALVE. (M)