Service difficulty report · O-Ring · Boeing 767322

Difficulty date
June 21, 2010
Submitted
July 9, 2010
Operation
Air carrier
Aircraft
N673UA
Make and model
Boeing 767322
Aircraft serial
29241
Aircraft time
37,988 hours, 10,043 cycles
Engine
Pwa PW4056
Part
O-Ring
Part number
M259881154
Condition
Leaking
Location
Jettison Pump
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

LT WING INBD MOST JETTISON PUMP SLEEVE IS LEAKING. REMOVED PUMP AND SLEEVE, FOUND O-RING ON SLEEVE TORN. REPLACED O-RINGS ON SLEEVE & PUMP. REF IPC 28-22-05, ITEM 80 =753-0725, ITEM 85, =750-4464, ITEM230 =753-2659 & ITEM 235= 750-4464. TRANSFERED 22.5K FUEL TO CENTER TANK. & THEN TRANSFERED BACK TO WINGS TO BALANCE FUEL LOAD & ACP FUEL PUMP LEAK CHECK. NO LEAKS FOUND.