Service difficulty report · Shutoff Valve · Boeing 777222

Difficulty date
October 11, 2013
Submitted
October 14, 2013
Operation
Air carrier
Aircraft
N226UA
Make and model
Boeing 777222
Aircraft serial
30226
Aircraft time
49,537 hours, 5,967 cycles
Engine
Pwa PW40903
Part
Shutoff Valve
Condition
Failed
Location
Bleed Air Sys
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 OFF ENG LT ENG BLEED VLV CLOSED FOR SYSTEM FAULT OR SWITCH OFF & THE ENG IS NOT SHUTDOWN. ADVISORY MSG01- LATCHED DESCENT MODE DEPENDENT. HIGH PRESSURE SHUTOFF VLV LT FAILED CLOSED. DB- AIR SUPPLY & CABIN PRESSURE CONTROLLER LT MSG02- LATCHED DESCENT MODE DEPENDENT. HIGH PRESS SHUTOFF VLV LT FAILED CLOSED. ITEM CNX IAW PLF SHOWS NOT ACTIVE.