Service difficulty report · Check Valve · Boeing 767322

Difficulty date
July 25, 2011
Submitted
August 17, 2011
Operation
Air carrier
Aircraft
N661UA
Make and model
Boeing 767322
Aircraft serial
27158
Aircraft time
78,277 hours, 12,645 cycles
Engine
Pwa PW4060
Engine time
81,792 hours, 12,287 cycles
Part
Check Valve
Part number
77385616
Part serial
234
Condition
Surges
Location
Nr 2 Engine
Part time
81,792 hours, 12,287 cycles
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

SILENT SURGE. REPLACE IP CHECK VALVE BEFORE FURTHER FLIGHT DUE TO PREVIOUS REPORT OF A SILENT SURGE. REPLACED IP CHECK VALVE PER MM. NO LEAKS NOTED.