What was found
DURING INSP BOTH LT AND RT MAIN GEAR DRAG LINK ATTACH BRACKETS WERE REMOVED FOR BRG REPLACEMENT DUE TO EXCESSIVE FREEPLAY AT DRAGLINK IB ATTACH END. UPON FURTHER CLEANING, PAINT RMVL AND INSP OF EACH, BOTH CASTINGS WERE FOUND CRACKED AROUND MACHINED FLAT SPOT AREA IN RADIUS OF ONE WEB OF CASTING FOR THE UPPER ATTACH BOLT HOLE. ORDERED, INSPECTED AND REJECTED 4 PAIR OF SERVICEABLE REPLACEMENT PARTS FROM MULTIPLE VENDORS AFTER CLEANING AND INSP OF EACH DUE TO SIMILAR CRACKS IN SAME AREA. PROBABLE CAUSE: FROM CYCLES AND LOADING OF COMPONENT AND INACCESSABLILITY FOR ADEQUATE INSP WHILE INSTALLED. SUSPECT ALL THESE CASTINGS SHOULD BE REQUIRED TO BE REMOVED, CLEANED, INSPECTED AT SOME REQUIRED INTERVAL. (K)