Service difficulty report · Bleed Valve · Boeing 767322

Difficulty date
December 26, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N659UA
Make and model
Boeing 767322
Aircraft serial
27114
Engine
Pwa PW4060
Part
Bleed Valve
Condition
Corroded
Location
Lt Engine
Component
Janitrol · 04P235
Stage of operation
TO
Nature of condition
J
Precautionary procedure
C, D

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

What was found

ABORTED TAKEOFF DUE TO LEFT ENGINE OVERTEMP. *S/D* THE 2.95 BLEED SOLENOID VALVES REMAINED OPEN AT HIGH POWER DUE TO INTERNAL CORROSION IN THE 2.95 BLEED VALVES. THIS LED TO THE LEFT ENGINE OVER TEMP CONDITION. THESE VALVES ARE CURRENTLY UNDERGOING AN UPGRADE TO NON-CORROSIVE MATERIAL.