As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) VIBRATION ON RUDDER PEDALS AND RUMBLE NOISE SEEMS TO BE COMING FROM UNDER CO-PILOT RUDDER PEDALS, AS REPORTED BY CREW. AFTER INSPECTION BY MAINTENANCE PERSONNEL, COCKPIT BLOWER FOUND TO BE DEFECTIVE, BLOWR REPLACED, GROUND CHECK SERVICEABLE.