As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF, A METALLIC BANGING OR RATTLING NOISE WAS HEARD IN COCKPIT AND CABIN. UPON INSPECTION, IT WAS DISCOVERED THAT THE HYDRAULIC LINE COVER IN THE NOSE WHEELWELL WAS SEVERELY CRACKED. THE CRACKS ALLOWED THE PART TO VIBRATE AND CAUSE THE NOISE.