What was found
LEFT MAIN GEAR DOWN LIGHT WOULD NOT COME ON, PILOT SWAPPED BULBS WITH NO CHANGE, PERFORMED EMERGENCEY GEAR EXTENSION WITH NO LIGHT, AIRCRAFT LANDED WITH NO PROBLEM, AIRCRAFT WAS MOVED INTO THE MAINT HANGAR AND PLACED ON JACKS. DURING TROUBLE SHOOTING A BROKEN WIRE WAS FOUND ON THE LEFT GEAR DOWN LIMIT SWITCH ASSEMBLY, REPLACED SWITCH ASSEMBLY WITH NEW.