Service difficulty report · Valve · Boeing 767222

Difficulty date
July 21, 2000
Submitted
October 4, 2000
Operation
Air carrier
Aircraft
N603UA
Make and model
Boeing 767222
Aircraft serial
21864
Aircraft time
61,911 hours, 16,952 cycles
Engine
Pwa JT9D7R4D
Part
Valve
Part number
408844
Condition
Leaking
Location
Fuel Transfer
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

CHRONIC CENTER TANK FUEL TRANSFER. *S/D* THE TRANSFER WAS FOUND TO BE THE RESULT OF LEAKAGE FROM THE LEFT MAIN TANK AND THE FOLLOWING REPAIRS WERE MADE. THE CENTER TANK REFUEL VALVES WERE REPLACED DUE TO LEAKAGE WHEN CLOSED. THE LEFT SURGE TANK DRAIN LINE COUPLING O-RINGS WERE REPLACED. RESEALED SURGE TANK DRAIN LINE FLANGE FITTING AT LEFT RIB 3. RESEALED LEFT SURGE TANK SENSOR WIRING GROMMET AT RIB 3. THE REPAIRS WERE ACCOMPLISHED 22 JULY 00 AND SYSTEM OPERATION HAS BEEN NORMAL TO DATE.