As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERCOSTAL RBL21 BS500A TO BS500B WL 156 (MARKED).<[01] THE DISCREPANCY AREA WAS MANUALLY CLEANED WITH SOLVENT AND ABRASIVE PAD AND FOUND BARE METAL ONLY WITH NO MATERIAL LOSS PER SOPM 20-30-03 AND APPLIED CHEMICAL CONVERSION COATING AND PRIMER AT BARE METAL AREA PER SRM 51-20-01 AND SOPM 20-41-02.;[02] VERIFIED COMPLETION CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.