What was found
ON APPROACH TO ASE, SELECTED GEAR DOWN AND GOT RED HASH MARKS ON NOSE GEAR. TROUBLESHOT SYSTEM FOUND ON VISUAL INSPECTION OF NOSE GEAR TOW ADAPTOR WOULD NOT SPIN TO THE DOWN POSITION. REMOVED TOW ADAPTOR, CLEANED DEBRIS, LUBED, INSTALLED, OPS CHECK GOOD. CHECKED FOR GROUND THROUGH DCU TO GEAR BOTH GROUND CHECKS GOOD. DCU OPS CHECK AND LAND GEAR EXTENSION WARNING SYSTEM OPS CHECKS GOOD. DCU OPS CHECK AND LAND GEAR EXTENSION WARNING SYSTEM OPS CHECKS GOOD. VISUAL INSPECTION GOOD REF. G200 MM 31-50-05 AND 32-60-00.