Service difficulty report · Shutoff Valve · Boeing 767322

Difficulty date
June 11, 2008
Submitted
July 15, 2008
Operation
Air carrier
Aircraft
N657UA
Make and model
Boeing 767322
Aircraft serial
27112
Aircraft time
66,885 hours, 10,911 cycles
Engine
Pwa PW4060
Part
Shutoff Valve
Part number
7732887810
Part serial
UNK
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
IN
How discovered
9
Nature of condition
J
Precautionary procedure
K

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

What was found

NR 1 ENG PRSOV FAILED HEALTH CHECK REFERENCE PRESSURE LOW. *S/D* DURING HEALTH CHECK FOUND PRESSURE REGULATING SHUT OFF VALVE FAULTY. REPLACED PRSOV. AC OK FOR SERVICE.