Service difficulty report · Controller · Boeing 777222

Difficulty date
April 30, 2011
Submitted
May 5, 2011
Operation
Air carrier
Aircraft
N211UA
Make and model
Boeing 777222
Aircraft serial
30217
Aircraft time
39,125 hours, 8,604 cycles
Engine
Pwa PW4077
Part
Controller
Part number
11511007
Part serial
120
Condition
Faulty
Location
Rt Engine
Stage of operation
NR
How discovered
9
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 HPSOV RIGHT ENGINE BLEED HIGH PRESSURE SHUTOFF VALVE (HPSOV) FAILED OPEN OR CLOSED, OR RIGHT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. STATUS MSG01- LATCHED TAKEOFF ROLL MODE DEPENDENT; HIGH PRESSURE SHUTOFF VALVE (RIGHT) FAILED OPEN. DB- AIR SUPPLY & CABIN PRESSURE CONTROLLER (R) MSG-3610370 LATCHD TO MODE. REPLACED RIGHT CONTROLLER. IDLE RAN ENGINE, NO FAULTS NOTED.