What was found
ON APPROACH TO OFFSHORE PLATFORM WHEN GEAR WAS EXTENDED FOR LANDING, SAFE LIGHT WOULD NOT ILLUMINATE. RETURNED TO SHORE BASE AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NOSE GEAR DOWN LIMIT SWITCH SHORTED. REPLACED HARNESS ASSY. REF: S-76 IPC, CHAPTER 32-30-05, FIG 1, ITEM 4.