What was found
EMERG LAND MADE WITH RT GEAR UNSAFE LIGHT. AFTER SHUT-DOWN, RT LANDING GEAR, IB ACTUATOR WAS FOUND BROKEN AT FWD MOUNT, HANGING DWN BELOW GEAR DOORS FROM AFT MOUNT. (NOTE: EACH LANDING GEAR HAS 2 ACTUATORS, OB ACTUATOR HAD NO DAMAGE). BROKEN ACTUATOR APPEARS TO BE ORIG ACTUATOR, NO RECORDS CAN BE FOUND INDICATING REPLACEMENT SINCE AC WAS NEW. ACTUATOR REPLACEMENT SINCE IS (ON CONDITION) WITH NO REQUIRED OH TIME. BROKEN ACTUATOR WAS REMOVED, REPLACED, SENT FOR ANALYSIS. MFG DETERMINED THAT CRACK AT FWD MTNG HOLE, WHICH LEAD TO FAILURE, ORIGINATED IN SMALL FLAW IN METAL. GRADUALLY GREW TO POINT OF FAILURE. STATED THAT THIS IS ISOLATED INCIDENT, AND FEEL THAT NO FURTHER ACTION IS REQUIRED. (K)