As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CORROSION ON THE LOWER LEFT FORWARD FUSELAGE WHILE AIRCRAFT WAS IN THE SHOP FOR HEAVY MAINTENANCE. AREA WAS REPAIRED BY ARROW AVIATION REPAIR STATION #Y3AR527Y UNDER W/O #23-339. REPAIR SCHEME, AE-100-1 #23RL-015, WAS PROVIDED BY THE MANUFACTURER BELL HELICOPTER TEXTRON.