As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 100-HOUR INSPECTION, FOUND HYDRAULIC FILTER BYPASS INDICATOR TRIPPED. RESET BUTTON, CYCLED GEAR, AND BUTTON TRIPPED AGAIN. REPLACED FILTER TO FIX PROBLEM. OLD FILTER WAS INSPECTED FOR CONTAMINATION, BUT NOTHING VISIBLE WAS FOUND. FILTER COULD BE BLOWN THROUGH USING MOUTH. FILTER MAY HAVE BEEN PARTIALLY RESTRICTED BY MICROSCOPIC PARTICLES.