As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) HEAVY VIBRATION FROM NLG WHEELS DURING TAKEOFF. AFTER LANDING, CAPT FOUND LARGE PART OF RECAP OF NOSE WHEEL MISSING. ALSO, DISCOVERED ON TAKEOFF RUNWAY, THE MISSING PIECE OF RECAP. BOTH NOSE WHEELS REPLACED. ALSO, RT AFT HINGED DOOR REMOVED IAW CDL 32-3. TIRE RETREADED BY AERO-WBS/RETREAD R1. WHEEL ASSY INSTALLED ON ACFT ON 30TH JUNE 2013 AND OPERATED FOR 23 CYCLES.