What was found
HORIZONTAL STAB RT RIB 5 HSS 129.50 2ND STIFFENER FROM FWD END CRACKED AT BOTTOM. HFEC INSP ON RIB IAW NDT PART 6 51-00-00 PROC. 23. CRACK CONFIRMED. REMOVED CRACK IAW SRM 51-10-02-0G-0 & 55-10-09-2R-4, REPAIR 4. HFEC INSP IN REPAIR AREA IAW NDT PART 6 51-00-00 PROC. 23. NO CRACKS. ROTO INSP IAW NDT PART 6 51-00-00 PROC. 16. NO CRACKS. VISUAL INSP OF ALL AREAS IN REPAIR AREA & UNDERLYING STRUCTURE, NO CORROSION OR DEFECTS. ACCOMPLISHED 63 MICROINCHES ROUGHNESS TEST AT SURFACE & CUT OUT EDGES. LOCATED & DRILLED AREA & REPAIR IAW SRM 51-40-05-0G-0 & 55-10-09-2R-4 REPAIR 4. TREATED & PRIMED REPAIR & RIB IAW SRM 51-20-01-0G-0 & SOPM 20-41-02. INSTALLED REPAIR IAW SRM 55-10-09-2R-4 REPAIR 4 & SRM 51-40-02.