What was found
DURING ANNUAL INSPECTION, MAIN AXLE NUTS WERE INSTALLED BACKWARDS. ONLY WAY COTTER KEY HOLES WOULD ALIGN, WAS TO BACK OFF NUT TO WHERE MAIN WHEEL WAS NOT TIGHT ON AXLE. ONLY THING RETAINING WHEEL ONTO AXLE WAS BRAKE ASSEMBLY. MAIN AXLE TABS WERE DEEPLY GROOVED BY WHEEL BEARINGS.