As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LOWER SKIN OF CENTER FUEL TANK BTW STA APROX Y=696 AND ON STA Y=655 INTERNAL STRUCTURE AT RH CANTED KEEL. SUMMARY OF NRC 00492: CORROSION LEVEL 2. CORROSION ON LOWER SKIN OF CENTER FUEL TANK BTW STA APROX Y=696 AND ON STA Y=655 INTERNAL STRUCTURE AT RH CANTED KEEL WAS REPAIRED PER ER/A 618744-14 REV ORIG SECTION I: PERMANENT REPAIR. ASSOCIATED ER/A 14-618744 ADDED FOR AC 9524. (LP #0501808)