What was found
ON TAKEOFF FROM TOL TO ONT, THE CREW REPORTED AN UNSAFE GEAR AND DOOR LIGHT AFTER GEAR RETRACTION. THE AIRCRAFT RETURNED TO TOL FOR MAINTENANCE. THE AIRCRAFT WAS FERRIED TO A MAINTENANCE FACILITY FOR LANDING GEAR SYSTEM INSPECTION AND RIG CHECK. A RIG CHECK OF THE LANDING GEAR MECHANICAL CONTROL SYSTEM WAS ACCOMPLISHED. AN INITIAL GEAR TEST SHOWED THE LEFT MLG DOOR UPLATCH OUT OF RIG. THE LEFT MLG DOOR UPLATCH CABLE AND DOOR ROLLER MECHANISM WERE RIGGED. FINAL LANDING GEAR OPERATIONAL CHECK WAS NORMAL, AND THE AIRCRAFT RETURNED TO SERVICE. (M)