Service difficulty report · Drain Valve · Boeing 767222

Difficulty date
June 28, 2000
Submitted
October 4, 2000
Operation
Air carrier
Aircraft
N603UA
Make and model
Boeing 767222
Aircraft serial
21864
Aircraft time
61,728 hours, 16,916 cycles
Engine
Pwa JT9D7R4D
Part
Drain Valve
Part number
8C167
Condition
Leaking
Location
Fuel Manifold
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

FOUND LT AND RT MANIFOLD DRAIN VALVES LEAKING HEAVILY. *S/D* THE FUELING MANIFOLD DRAIN VALVES WERE REPLACED. IT WAS ALSO FOUND THAT THE LT SURGE TANK DRAIN LINE WAS LEAKING. THE COUPLING O-RINGS WERE REPLACED IN THE DRAIN LINE. THREE LEAKS AT RIB 3 BETWEEN THE LEFT MAIN AND AUX TANK WERE RESEALED.