What was found
LANDING GEAR UNLOCK LIGHT REMAINED ON WITH HYDRAUIC PRESS LIGHT ILLUMINATED AFTER SELECTING GEAR UP. NO OTHER LIGHTS ON. SELECTED GEAR DOWN, GOT 3 GREEN, HYD PRESS LIGHT WENT OUT. KEPT GEAR DOWN, DID NOT BLOW THE BOTTLE. JACKED AIRPLANE IN HANGAR & PERFORMED VISUAL INSPECTION OF LANDING GEAR & SWITCHES. NO DEFECTS NOTED. PERFORMED NUMEROUS GEAR SWINGS & NO FAULTS WERE NOTED. RESERVICED HYDRAULIC RESERVOIR AND RETURNED AIRCRAFT TO SERVICE. TROUBLESHOT LANDING GEAR IAW MM 32-30-00 & COMPLETED RESERVOIR SERVICE IAW MM 12-12-01.