As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FUEL LEAK FOUND IN THE FUEL DRAIN LINE FROM THE RIGHT COLLECTOR TANK. THE LINE WAS SEVERELY CORRODED AND SHEARED WHEN MAINTENANCE TRIED TO REMOVE THEB NUT.THE SUBMITTER CHECKED HIS OTHER AIRCRAFT ANDFOUND THREE OF SIX CORRODED. MANUFACTURER CONTACTED.