As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO FIELD DUE TO VIBRATION. MAINTENANCE INSPECTED AIRCRAFT AND FOUND THE TOP TRAILING EDGE OF RT HORIZONTAL STABILIZER DE-ICE BOOT HAD COME LOOSE. THE BOOT WAS RESECURED AND A FUNCTIONAL CHECK PERFORMED WITH ALL INDICATIONS NORMAL. (Z)