As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO GREEN LIGHT INDICATION ON LT MAIN, JACKED ACFT AND FOUND GEAR FULLY DOWN AND SECONDARY LOCK NOT FULLY ENGAGED TO MAKE THE GEAR LOCKED SWITCH. REMOVED SECONDARY LOCK ASSY FOR INSPECTION. FOUND NO MECHANICAL DEFECTS. CLEANED AND LUBRICATED ALL PARTS AND REASSEMBLED SECONDARY LOCK. CONDUCTED MULTIPLE GEAR SWINGS WITH NO DISCREPENCIES AND RETURNED ACFT TO SERVICE.