Service difficulty report · Controller · Boeing 767322

Difficulty date
November 22, 2009
Submitted
November 23, 2009
Operation
Air carrier
Aircraft
N675UA
Make and model
Boeing 767322
Aircraft serial
29243
Aircraft time
34,058 hours, 8,872 cycles
Engine
Pwa PW4056
Part
Controller
Part number
77328915
Part serial
26
Condition
Malfunctioned
Location
Bleed Air Sys
Stage of operation
CR
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

RT ENG BLEED LIGHT & RT ENG HPSOV EICAS MSG DURING CRZ, WITH ENG BLEED SWITCH ON, & ENG RUNNING. CREW COMMENTS: DUCT PRESS=17. CREW REPORTS 'BLEED' LIGHT AND EICAS INTERMITTENTLY APPEAR AND DISAPPEAR WITH VLV LOCKED OUT PER MEL. REPLACED NR 2 ENG HIGH STAGE CONTROLLER. FOUND 2 PNEUMATIC LINES VERY LOOSE. SECURED, OPS NOW NORMAL.