As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSING THRU 31000 SIGNIFICANT VIBRATION DEVELOPS IN THE NOSE PORTION OF AIRCRAFT FELT IT IN THE FLOOR. INTENSITY VARIED A SMALL AMOUNT WITH CHANGE IN AIRSPEED. CONTACTED MX COOR AND DECISION WAS MADE TO DIVERT TO MCO TO CK IT OUT. FOUND EXT POWER ACCESS DOOR OPEN INSP DOOR FOR DAMAGE NONE NOTED ALL CKS NML.