Service difficulty report · Shutoff Valve · Boeing 767322

Difficulty date
October 6, 2013
Submitted
October 10, 2013
Operation
Air carrier
Aircraft
N653UA
Make and model
Boeing 767322
Aircraft serial
25391
Aircraft time
89,764 hours, 14,301 cycles
Engine
Pwa PW4060
Part
Shutoff Valve
Condition
Faulty
Location
Bleed Air Sys
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

AFTER ENG START LT BLEED "OFF" LIGHT & NO DUCT PRESSURE. ADVANCED THROTTLE NO HELP. RESET ENG BLEED CONTROL CB S11 NO HELP. R & R NR 1 ENG PRSOV IAW AMM. OPERATIONS CHECKED GOOD WITH ENG RUN.