What was found
DURING A NORMAL LANDING PROCEDURE, THE LEFT MAIN LANDING GEAR BROKE OFF FOR A REASON UNKNOWN TO US. THE AIRCRAFT CONTINUED TO SKID ON THE STUD OF THE GEAR UNTIL COMING TO A COMPLETE STOP. AT THE END, THE AIRCRAFT TIPPED TO THE LEFT AND DAMAGED THE LEFT WING TIP. THERE WERE NO PERSONAL INJURIES. THE DAILY INSPECTION HAD BEEN PERFORMED AS USUAL AND THE PRE FLIGHT DID NOT SHOW ABNORMALITIES EITHER. THE TOTAL WEIGHT WAS WITHIN LIMITS.