As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERMITTENT SHUTTERING NOISE AND VIBRATION FROM CENTER CONSOLE WHILE AT CRUISE. FOLLOWED BY STRONG BURNT RUBBER SMELL. SMELL WENT AWAY AFTER A FEW MINUTES.-PERFORMED TSM 05-50-00-810-831-A. FOUND TO BE TYPE 9 ODOR. EXAMINED ALL RELATED EQUIPMENT WITH NO FAULTS OR ODORS NOTED. AC OK FOR CONTINUED SERVICE.