As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC LINE FROM RESERVOIR THAT RUNS ALONG THE INSIDE OF THE FIREWALL AND DOWN THE RIGHT CABIN WALL TO JUST BELOW THE FORWARD EDGE OF CABIN DOOR WAS FOUND CORRODED THROUGH IN TWO LOCATION. THE FIRST LOCATION WAS WHERE THE LINE RUNS BEHIND THE RADIO COOLING VENT. THIS CORROSION RESULTED FROM CONTACT WITH THE SCAT DUCT TO THE COOLING VENT. THE SECOND LOCATION WAS BEHIND THE RIGHT LOWER SIDE PANEL. THIS CORROSION WAS CAUSED BY CONTACT WITH REAR SEAT HEATER VENT SCAT DUCT.