As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ANNUAL INSPECTION AND BY C/W AD 81-09-09 BY VISUAL INSPECTION, CORROSION WAS FOUND ON THE FORWARD FUEL INLET LINE AFT OF THE HEATER PUMP VALVE. SUBMITTER STATED THIS IS THE THIRD LINE FOUND WITH THIS PROBLEM ON THREE DIFFERENT 310R'S.