What was found
RETURN TO DEPARTURE, LD WOW SYSTEM FAIL GEAR HANDLE WOULD NOT MOVE AFTER TAKEOFF. PRESSED DOWN LOCK RELEASE TO RAISE GEAR, THEN EICAS DISPLAYED LD WOW SYS FAIL, JACKED AIRCRAFT, PERFORMED INSPECTION AND GEAR RETRACTION. NO DISCREPANCIES NOTED. SERVICED NOSE STRUT IAW AMM 12-12-09.