Service difficulty report · Controller · Boeing 767322

Difficulty date
April 5, 2010
Submitted
April 7, 2010
Operation
Air carrier
Aircraft
N670UA
Make and model
Boeing 767322
Aircraft serial
29240
Aircraft time
38,474 hours, 10,172 cycles
Engine
Pwa PW4056
Part
Controller
Part number
77328915
Part serial
17
Condition
Failed
Location
Bleed System
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

LEFT ENG BLEED LGT & LT ENG HPSOV EICAS MSG WITH ENG BLEED SW ON, & ENG RUNNING. COMPONENT FOUND DEFECTIVE. REPLACED HPSOV AND HP CONTROLLER. ACP'D BLEED SHIFT THREE TIMES, NO HPSOV EICAS MSG OR ENG BLEED LIGHT.