As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COCKPIT ENVIRONMENT, EXTREMELY LOUD AND NOISY-AIR CONDITIONING BLOWN THROUGH THE WINDSHIELD. WEAR EAR PLUGS - TURNING RIGHT RECIRC OFF PROVIDES NO HELP. CLEANED DUCTS FOUND RT REC FAN FILTER TORN AND IN DUCTS. CLEANED DUCTS, RPL'D REC FILTERS FOUND RT FILTER TORN. DB WITHIN LIMITS.