Service difficulty report · Shutoff Valve · Boeing 767322

Difficulty date
June 1, 2012
Submitted
July 26, 2012
Operation
Air carrier
Aircraft
N653UA
Make and model
Boeing 767322
Aircraft serial
25391
Aircraft time
84,671 hours, 13,597 cycles
Engine
Pwa PW4060
Part
Shutoff Valve
Part number
79027013
Part serial
254
Condition
Faulty
Location
Bleed Air Sys
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

LEFT BLEED OFF IN FLIGHT COULD NOT RECOVER. LEFT BLEED OPERATES NORMAL AFTER CHANGING LT ENGINE HPSOV.