What was found
STABILATOR VIBRATION, FLUTTER IN DESCENT (AT HIGH SPEED) TRACED TO MOVEMENT IN ABOVE PIVOT JOINT. HOLE IN BLOCK, BUSHING, AND BOLT ALL SEVERELY WORN. PLAY IN JOINT NOT IMMEDIATELY EVIDENT BECAUSE OF SPRING LOADING ON BELLCRANK. RT SIDE NOT WORN. WEAR ALLOWS TAB TO MOVE AND FLUTTER, INDUCING MOVEMENT IN STAB.