Service difficulty report · Coupling · Boeing 767222

Difficulty date
May 14, 2000
Submitted
October 4, 2000
Operation
Air carrier
Aircraft
N609UA
Make and model
Boeing 767222
Aircraft serial
21870
Aircraft time
67,878 hours, 17,070 cycles
Engine
Pwa JT9D7R4D
Part
Coupling
Condition
Leaking
Location
Fuel System
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

CENTER TANK FUEL TRANSFER ON CLIMB. *S/D* IT WAS FOUND THAT TWO LEFT HAND SCAVENGE LINE COUPLINGS IN THE CENTER TANK WERE LEAKING AND THE LEFT SURGE TANK DRAIN LINE WAS LEAKING FUEL FROM THE LEFT MAIN TANK TO THE CENTER TANK. THE LEAKING SEALS WERE REPLACED IN THE DRAIN AND SCAVENGE LINES AND THE FUELING MANIFOLD DRAIN LINES WERE REPLACED. SYSTEM OPERATION HAS BEEN NORMAL TO DATE.