As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 3529 - AFTER TAKEOFF DURING RETRACTION OF THE GEAR CREW REPORTED A CLUNKING SOUND. MAINTENANCE REMOVED AND REPLACED THE LEFT MLG UPLOCK BOX IAW ATR MM 32-31-00. OPERATIONAL AND LEAK CHECK WAS SATISFACTORY AND AIRCRAFT WAS RETURNED TO SERVICE. (M)