As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FL 1050 - ON TAKEOFF, CREW FELT SLIGHT VIBRATION. VIBRATION INCREASED BEFORE GEAR WAS RETRACTED. PASSENGER REPORTED SEEING A PIECE OF RUBBER GO BY THE WINDOW. FLIGHT RETURNED TO PIT AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE FOUND THE NR 1 TIRE HAD LOST ITS RECAP AND DAMAGED THE LEFT WING UNDERSIDE, LEFT FLAP AND THE LEFT OUTBOARD GEAR DOOR. WHEEL WAS REPLACED AND THE DAMAGE REPAIRED. (M)