What was found
ON APPROACH, CREW RECEIVED LANDING GEAR UNSAFE LIGHT INDICATION WARNING AND NO DOWN LIGHT INDICATION ON LEFT MAIN AND NOSE GEAR. DETERMINED TO DIVERT FOR LOW PASS APPROACH FOR ATC GEAR DOWN OBSERVATION. AIRCRAFT LANDED UNEVENTFUL AND TAXIED TO FBO. MX VERIFIED DISCREPANCY. CHECKED DOWN-LOCK SWITCHES FOR PROPER OPERATION ON BOTH MAINS AND NOSE ACTUATORS. WIRING AND SWITCH CHECKED GOOD. REPLACED THE LAMPS IN ALL THREE GEAR INDICATORS. PERFORMED NUMEROUS GEAR CYCLES. ALL TESTS PASSED. RESTORED AIRCRAFT TO IT'S ORIGINAL CONFIGURATION.