What was found
FS 409+128 BL 0.0 VERTICAL POST HAS INDICATIONS NOTED ON BOTH LT AND RT C-CHANNEL AFT RADIUS STRAPS JUST BELOW THE UPPER JOGGLES. RT IS 75% FSH APPROX 0.2" LONG, LT IS 100% FSH APPROX 0.3" LONG. LBL 18.0 HAS A 70% FSH INDICATION NOTED APPROX 0.1" LONG JUST BELOW THE UPPER JOGGLE OF O/B C-CHANNEL AFT RADIUS. INDICATIONS MARKED ON ACFT. FAILS NDT AT THIS TIME. REMOVED POSTS AND RADIUS STRAPS IAW SRM 51-42-06. FABRICATED REPLACEMENT POSTS AND REINFORCEMENT ANGLES IAW SRM 51-24-21. INSTALLED POSTS IAW SRM 51-40-11, 51-42-06, 51-42-21, AND REO 601R-53-41-889 AND REO 601R-53-41-1071.