What was found
FS 409+128 VERTICAL POST RBL 18.0 HAS INDICATION NOTED AT I/B SIDE WL 69.0 AFT FLANGE APPROX .2 INCH IN LENGTH 50 PERCENT FSH FAILED NDT INSP. REMOVED POST FS 409 + 128 RBL 18 IAW SRM 51-42-06. FABRICATED NEW VERTICAL POST AT RBL 18.0 FS 409.0 + 128 USING 7075.0 .063 PO 104964/1 AS PER SAMPLE IAW SRM 51-24-16 REF DWG 601R32208. HEAT TREATED, FABRICATED NEW VERTICAL POST FROM 7075.0 .071 TO T62 CONDITION IAW AMS 2770. PAINTED IAW SRM 51-25-16. LOCATED, DRILLED, AND RIVETED I/B AND O/B POSTS IAW SRM 51-42-06. INSTALLED VERTICAL POST RBL 18.0 FS 409 + 128 IAW REO 601R-53-41-889 AND SRM 51-42-06 AND 51-42-22. COMPLIED WITH ECTC REO 601R-53-41-889 AND MET ALL REQUIREMENTS OF REO 601R-53-41-889.