What was found
DISCREPANCY: DISCREPANCY: DURING C-CHECK IN KDHN, COMMERCIAL JET FOUND A MAIN CABIN FLOOR BEAM CORRODED ON THE UPPER AND LOWER SURFACE AT F.S. 1338, LBL54 TO RBL54 CORRECTIVE ACTION: COMMERCIAL JET IN KDHN INSPECTED THE FLOOR BEAM AND FOUND THE CORROSION TO BE OUT OF LIMITS. THEY TRIMMED OUT SECTION OF FLOOR BEAM IAW EO18212. PERFORMED HFEC OF THE TRIMMED-OUT AREA AND FOUND NO CRACK INDICATIONS. THEY FABRICATED A REPAIR FILLER P/N EO18212-11 FROM .100” 7075-T6, A REPAIR STRAP P/N EO18212-13 FROM.100” 7075-T6 IAW EO18212. ALL REPAIR PARTS WERE DRILLED, DEBURRED, TREATED AND PRIMED IAW DC9/MD80 SRM 51-10-03. REPAIR PARTS WERE INSTALLED IAW EO18212. REPAIR 8110-3 APPROVED BY RICARDO FERNANDEZ DERT-834363-CE