What was found
DURING INSPECTION OF MAIN LANDING GEAR, DISCOVERED EXCESSIVE FORE AND AFT PLAY IN RT MLG LEG. RT MAIN LEG COULD MOVE FORE AND AFT 4MM OR MORE. GEAR LEG WAS REMOVED. INSPECTION OF THE AFT TRUNION ASSY REVEALED THAT THE BEARING HAD FAILED AND HAD EXCESSIVE PLAY IN IT. UPON REMOVING THE BEARING, IT WAS DISCOVERED THAT IT APPEARS TO BE CONSTRUCTED FROM DIFFERENT MATERIAL THAN THE OTHER BEARINGS ALTHOUGH ALL BEARINGS HAVE THE SAME PN. THIS BEARING SEEMS TO HAVE A BRASS OR BRONZE INNER RACE WHICH HAS BECOME LOOSE AND IS CAPABLE OF MOVING WITHIN THE STEEL OUTER RACE. OTHER BEARINGS OF SAME PN IN AC LANDING GEAR SYS HAVE A STEEL INNER AND OUTER RACE. THIS BRG HAS BEEN RETURNED TO MFG FOR FURTHER INVESTIGATION.