Service difficulty report · Controller · Boeing 767322

Difficulty date
November 22, 2009
Submitted
November 23, 2009
Operation
Air carrier
Aircraft
N652UA
Make and model
Boeing 767322
Aircraft serial
25390
Aircraft time
75,484 hours, 12,251 cycles
Engine
Pwa PW4060
Part
Controller
Part number
77328915
Part serial
29
Condition
Malfunctioned
Location
Bleed Air Sys
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

RIGHT BLEED LOSES PRESS WHENEVER THROTTLE IS IN LOW THRUST CONDITION. REPLACED PRESSURE REGULATING VALVE CONTROLLER. RAN ENG PNEU PRESSURE NORMAL.