As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MX INSPECTION, FOUND THE RT WING FUEL FEEDER TANK WATER DRAIN HAS MATERIAL REMOVED DURING CORROSION REMOVAL. THE ACFT WAS REMOVED FROM SERVICE. PERFORMED BLEND OUT AND REPAIR AT RT WING LOWER SKIN AT WATER DRAIN BTW RIB 4-5 IAW EO E2-5700-489. THE ACFT WAS RETUNRED TO SERVICE.