As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXPERIENCED VIBRATION DURING THE FLIGHT FROM PHL-DTW, ESPECIALLY IN THE MID CABIN. CONTINUED TO DTW WITHOUT FURTHER INCIDENT. FOUND THAT PANEL NR 3351 WAS MISSING, THE ROTATING BEACON AND SEVERAL ADDITIONAL PANELS WERE DAMAGED. REPLACED AND REPAIRED THE PANELS AND ROTATING BEACON.