What was found
RIGHT STAB RIB AT HSS 147.90 HAS A CRACK ON #4 RIB STIFFNER. (VERIFIED WITH HFEC). REMOVED DAMAGE IN RIB STIFFENER AND RIB WEB PER SRM 55-10-09-2R-4 VERIFIED DAMAGE REMOVAL IN THE RIB STIFFENER RIB WEB AREA PER 737 NDT PART 6 51-00-00 PROC. 23. LOCATED DRILLED ALODINED AND PRIMED PER SRM 55-10-09-2R-4. PERFORMED HFEC ON FASTENER HOLES COMMON TO THE REPAIR IAW NDT PART6 51-00-00 PROCEDURE 16. NO DEFECTS NOTED. INSTALLED REPAIR PARTS IAW SRM 55-10-09-2R-4 REPAIR 4.