What was found
AFTER TAKE OFF FROM ZAZ AIRPORT, CREW HEARD A NOISE DURING LANDING GEAR RETRACTION, HOWEVER ALL CABIN INDICATIONS WERE NORMAL. DURING APPROACH TO JFK WHEN LANDING GEAR WAS SELECTED DOWN POSITION, RH MAIN LANDING GEAR INDICATION SHOWED NOT IN GREEN INDICATION, EICAS MESSAGE GEAR NOT DOWN DISPLAYED, CREW PERFORMED GO AROUND PROCEDURES AND THEY DECLARED IN EMERGENCY, THEY REQUEST AN AREA TO MAINTAIN AND REDUCE WEIGHT TO PERFORM CHECK LIST. LANDING WAS PERFORMED IN 31L RUNWAY NORMALLY, HOWEVER CREW REQUESTED TO BE TOWED TO THE PARKING POSITION. AFTER MAINTENANCE INSPECTION ACCOMPLISHED, WAS NOT POSSIBLE TO INSTALL THE SAFETY MLG PIN DUE TO THE HOLES ON LOCK LINKS WERE NOT ALIGNED, DUE TO THIS REASON BOEING WAS CONTACTED IN ORDER TO GET APPROVAL TO MOVE THE AIRPLANE TO THE PARKING POSITION, THIS WAS ACCOMPLISHED WITHOUT PROBLEMS. MLG ACTUATOR ROD END CRACKED AND DAMAGED. MLG PROXIMITY SENSORS TARGETS BRACKET DAMAGED AND LOOSE. MLG ACTUATION HYDRAULIC LINE CRACKED. MLG PROXIMITY SENSORS OUT OF PLACE. APPROVED LATAM FOR A FLIGHT PERMIT FROM JFK TO MIA IN ORDER TO PERFORM A PERMANENT REPAIR AT MIA APPLYING CONDITIONS UNDER MEL 32-30-01 WHICH INCLUDES INSTRUCTIONS TO PROPERLY SECURED ALL INOPERATIVE COMPONENTS BY AN ACCEPTED PROCEDURES AND LANDING GEAR EXTENDED CONFIGURATION, AIRPLANE WILL BE LOCATED AT MIA.