As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLT 2201 THE CREW REPORTED A LOUD BANGING NOISE COMING FROM THE NOSE GEAR AREA. MAINTENANCE INSPECTED AND REPLACED THE LEFT MAIN LANDING GEAR DOWNLOCK A PROXIMITY SWITCH HARNESS. ALSO REPLACED THE LT DOWNLOCK PROXIMITY A SWITCH. OPERATIONAL CHECKS WERE GOOD.