What was found
SJO/MIA - FLT TA820 - DURING LANDING, RIGHT MAIN LANDING GEAR DID NOT COME DOWN AT FIRST ATTEMPT. THE SYSTEM WAS RECYCLED TWICE AND THE LANDING GEARS CAME DOWN, BUT SLOWLY. COCKPIT INDICATIONS RELATED TO LANDING GEARS ALSO SHOWED THIS DISCREPANCY. AFTER AN UNEVENTFUL LANDING, MAINTENANCE TECHNICIANS PERFORMED INSPECTION OF THE LT AND RT MAIN LANDING GEARS. THEY FOUND ON THE LT SIDE MLG, ONE OF THE SPRING LOCKING BROKEN AN ITS SUPPORT BOLTS BENT. THE AIRCRAFT STILL ON GROUND FOR FURTHER ANALYSIS AND INSPECTION. REF: OPER CNTRL NR 20001228SH004. (X)