What was found
CREW AIR RETURNED DUE TO LOUD RATTLING NOISE AND VIBRATION IN FLT DECK LOGPAGE UPDATED FOR SDR REPORTING. THE LT NLG AFT DOOR WAS FOUND DISCONNECTED FROM ACTUATOR ROD AND DAMAGED, CAUSING LANDING GEAR DOOR TO FLAP IN FLIGHT CAUSING THE NOISE AND VIBRATION ISSUES. THE DOOR AND ROD WERE REPAIRED AND REPLACED, WITH LANDING GEAR SWING OPERATIONAL CHECKS IN PRESENCE OF INSPECTION DEPT CONDUCTED OK. SEE LOG PAGES 3755878 AND 3755850 FOR ALL DOCUMENTED WORK ACCOMPLISHED.