What was found
IN FLIGHT, AFTER LG HAD BEEN RETRACTED & STOWED, THE LG RELAY CB POPPED. THE LG HANDLE WAS SELECTED DOWN & CB PUSHED IN, CB POPPED AGAIN. MANUAL GEAR EXTENSION WAS THEN ACHIEVED. FOUND THE LG PUMP MOTOR BURNED. THE MOTOR WAS REPLACED AS WELL AS THE SUSPECTED PROBLEM SOURCE LG TIME DELAY CIRCUIT BOARD.