Service difficulty report · Shutoff Valve · Boeing 777222

Difficulty date
November 15, 2010
Submitted
November 17, 2010
Operation
Air carrier
Aircraft
N211UA
Make and model
Boeing 777222
Aircraft serial
30217
Aircraft time
37,702 hours, 8,339 cycles
Engine
Pwa PW4077
Part
Shutoff Valve
Part number
32153024
Part serial
302
Condition
Failed
Location
Rt Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

BLEED PRSOV RIGHT ENGINE BLEED PRESSURE REGULATING SHUTOFF VALVE FAILED OPEN OR CLOSED OR RIGHT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. STATUS MSG-3610380 LATCHD DC MODE MSG-3610380 LATCHED DC MODE. FOUND DEFECTIVE VALVE. REPLACED HPSOV PER MM, OPS CHECKED GOOD.