Service difficulty report · Shutoff Valve · Boeing 767322

Difficulty date
October 5, 2025
Submitted
October 8, 2025
Operation
Air carrier
Aircraft
N669UA
Make and model
Boeing 767322
Aircraft serial
30025
Aircraft time
93,122 hours, 18,580 cycles
Part
Shutoff Valve
Part number
77328810
Part serial
9811078
Condition
Faulted
Location
Nr 2 Engine
Part time
74,451 hours, 13,083 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

RIGHT ENG BLEED OFF EICAS MSG DURING INITIAL CLIMB. TRIED 1 RESET PER FM. NO HELP. PERFORMED READ-OUT PER AMM ON THE AIR BLEED MODULE AND THE MODULE GIVES A PRSOV FAULT. EXCERCISED PRSOV AND IT APPEARS TO BE STIFF TO MOVE. RT ENG PRSOV REMOVED IAW AMM 36-11-09-002-133-008. RT PRSOV REPLACED IAW AMM TASK 36-11-09-402-164-008. INSTALLATION TEST COMPLETE NO LEAKS FOUND.