As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW REPORTED LOW FREQUENCY AIRFRAME VIBRATIONS AT VARIOUS SPEEDS. AIRCRAFT GROUNDED. ELEVATOR TAB ACTUATOR RODS ATTACHMENT BRACKET WAS LOOSE. RETAINED BY SIX NUTS AND BOLTS AND WAS LOOSE TO THE EXTENT THAT A 1/2 INCH PLAY WAS POSSIBLE BETWEEN BRACKET AND TAB. NUTS AND BOLTS APPEARED TO BE IN NORMAL CONDITION, REPLACED.