As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRFRAME VIBRATION, FL200 UP TO FL340, MORE NOTICEABLE IN CLIMB THAN LEVEL FLT. ACCOMPLISHED TSM CHART 05-50-00 PB201 AND INFORMATION FROM VIBRATION SURVEY SUGGESTS BELLY FAIRING SOURCE OF VIBRATION. TAPED BELLY FAIRING SEALS REF MT53-004. FOUND SEAL WORN ON PANEL 197BB REPLACED SEAL.