As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REMOVAL OF THE RT FUEL TANK OF THIS AIRCRAFT, INSPECTION REVEALED BOTH FUEL VENT HOSES FOUND DETERIORATED TO THE POINT THAT VAPORS AND POSSIBLY LIQUID FUEL COULD BE LET INTO THE WING. LEFT TANK WAS ALSO REMOVED AND HOSES WERE FOUND DETERIORATED. ALSO, THE MAIN OUTLET HOSES, PN 63901-37, (ORIGINAL P/N) WERE INSTALLED. MFG CODES ON HOSES WERE 1Q68 AND 3Q67. ALL PARTS WERE REPLACED.