Service difficulty report · Check Valve · Boeing 767316F

Difficulty date
October 8, 2017
Submitted
October 12, 2017
Operation
Air carrier
Aircraft
N1381A
Make and model
Boeing 767316F
Aircraft serial
27615
Aircraft time
82,978 hours, 17,379 cycles
Part
Check Valve
Part number
7321175001
Part serial
1161589
Condition
Chafed
Location
Right
Stage of operation
IN
How discovered
V
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

RT ISOLATION BYPASS CHECK VALVE INTERNAL, FOUND THE HOUSING CHAFED AND FLAPPER LOOSE. THE ISOLATION BYPASS CHECK VALVE WAS REMOVED, REPLACED, AND TESTED IAW AMM 36-11-05, REV 122, FOUND SATISFACTORY.