As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION FOUND AT THE FORWARD RT SIDE SILL RBL 37 BETWEEN FR 12-13. BLENDED OUT CORROSION AND APPLIED ALODINE TO THE REWORKED AREA, AND EPOXY PRIMER IAW SRM PART II 51-23-05. ACCOMPLISHED HFEC INSPECTION AT THE BLEND OUT AREA IAW E190 NDT PART 1 51-00-00-916-803 TO ENSURE NO CRACKS EXIST. RESTORE TO THE ORIGINAL FINISH IAW SRM PART II 51-23-06 AND E15-284-01. THIS IS LEVEL 1 CORROSION.