What was found
(CAN) DURING THE 48 MONTHS INSPECTION, THE AMO CARRYING OUT THE INSPECTION NOTICE ON DISSASSEMBLY OF THE MAIN ROTOR HEAD, 1 OF THE ELASTOMERIC BEARINGS HAD BECOME SEPARATED AT MORE THAN 270 DEGREES AROUND WITH ONLY A SMALL AMOUNT OF ELASTOMER STAYING CONNECTED AT THE TOP END. AIRCRAFT MFG WAS IMMEDIATELY CONTACTED ABOUT THIS ISSUE AND A NEW ELASTOMERIC BEARING HAS BEEN ORDERED FOR REPLACEMENT. DETAILED VISUAL INSPECTION OF ALL SURROUNDING AREA REVEAL NO OTHER DAMAGE.