Service difficulty report · Controller · Boeing 767322

Difficulty date
November 14, 2011
Submitted
November 16, 2011
Operation
Air carrier
Aircraft
N671UA
Make and model
Boeing 767322
Aircraft serial
30026
Aircraft time
44,270 hours, 11,529 cycles
Engine
Pwa PW4056
Part
Controller
Part number
77328915
Part serial
39
Condition
Faulty
Location
Bleed Air Sys
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

L HPSOV AND L BLEED LIGHT CAME ON FOR A MINUTE DURING BEGINNING OF DESCENT. REPLACED AIR SUPPLY CONTROLLER. ACP BITE TEST PER MM PASSED TEST. OK FOR SERVICE.