As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3973, CREW REPORTED LANDING GEAR CLUNKING NOISE. DURING LANDING GEAR RETRACTION CLUNKING LOUD BANG AT RETRACTION. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED NOSE LANDING GEAR DOOR ACTUATOR IAW EMB 145 AMM 32-33-03. OPERATIONAL CHECK GOOD. NO DEFECTS NOTED AND NR 8194; AIRCRAFT RETURNED TO SERVICE.