Service difficulty report · Check Valve · Boeing 767223

Difficulty date
September 16, 2008
Submitted
July 20, 2010
Operation
General aviation
Aircraft
N313AA
Make and model
Boeing 767223
Aircraft serial
22316
Part
Check Valve
Part number
77385619
Part serial
891128
Condition
Cracked
Location
Nr 1 Engine
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

(ABXR) DURING A MX INSP EVENT, WHILE DOING AN INSP OF THE NR 1 ENG 8TH STAGE CHECK VALVE IAW AD 90-12-02 IAW SB 36-2078, REV 2, FOUND APPROX A 1 INCH CRACK IN THE CONE SEAT AREA. R & R THE VALVE IAW MM.