What was found
AIRCRAFT WAS GNDED. ON APPROACH LG NOT DOWN LOCKED AFTER GEAR HANDLE PLACED DOWN. COMPLIED WITH ECAM EXCEPTION & USED LG GRAVITY EXTENSION PROCEDURE TO EXTEND GEAR. FLIGHT CREW DECLARED AN EMER & LANDED WHERE THE ACFT WAS TOWED TO THE HANGER. TROUBLE SHOT IAW 32-31-00-810-808-A, NO DEFECTS NOTED. R & R PRIORITY VLV 1064GM IAW AMM 29-11-33400-001, AS WELL AS REPLACED RELAY 62GA IAW AMM 20-46-50. A SATISFACTORY LEAK & OPERATIONAL CHECK WAS ACCOMPLISHED. SEE AALA 201604309002 FOR ADDITIONAL PART.