Service difficulty report · Controller · Boeing 777222

Difficulty date
April 2, 2012
Submitted
April 6, 2012
Operation
Air carrier
Aircraft
N215UA
Make and model
Boeing 777222
Aircraft serial
30221
Aircraft time
42,416 hours, 9,106 cycles
Engine
Pwa PW4077
Part
Controller
Part number
339910031
Part serial
35
Condition
Malfunctioned
Location
Nr 1 Engine
Stage of operation
NR
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

BLEED HIGH PRESSURE SHUTOFF VALVE LT, MESSAGE ON STATUS PAGE. REPLACED NR 1 ENGINE HIGH PRESSURE SHUTOFF VALVE, CONTROLLER, REPLACED IP SENSOR. MESSAGE CLEARED. WORK DONE PER MM. IDLE RAN FOR 5 MIN. NO MESSAGE NOTED. OK FOR SERVICE. FAULT CAME BACK AT DEPARTURE. CYCLED HIGH PRESSURE SHUTOFF VALVE MANUAL OVERRIDE. RAN ENGINE, OPS CHECKED OKAY.