What was found
RT HORIZONTAL STAB HAS AN APPR 1IN. CRACK IN LOWER STAB IN-SPAR SKIN AT HSS 193.9 18 INCHES AFT OF FWD SPAR, HFEC VERIFIED. REMOVED PORTION OF DAMAGED SKIN IAW SRM 55-10-01-2R-11. PERFORMED HFEC INSPECTION OF DAMAGE CUTOUT IAW NDT PART 6, 51-00-00 PROCEDURE 23. NO DEFECTS NOTED. FABRICATED REPAIR PARTS, COUNTERSUNK AND DEBURRED, TREATED AND PRIMED IAW SRM 55-10-01-2R-11. INSTALLED REPAIR IAW SRM 55-10-01-2R-11. APPLIED CORROSION INHIBITING COMPOUND ON INTERIOR SIDE OF REPAIR AREA IAW SOPM 20-41-05.