What was found
LT HORIZONTAL STAB, LOWER SKIN, APPROX STAB STA 122, CRACK INDICATION ALONG RIVET LINE. ACFT GROUNDED. PERFORMED HFEC IAW NDT MANUAL 51-00-00, FIG 23 AND MARKED ENDS OF CRACK. REMOVED FASTENERS COMMON TO REPAIR IAW SRM 51-40-02. CUT OUT CRACKED SKIN TO A DIMENSION OF 1.8X.9 IAW SRM 55-10-01, REPAIR 11. MATERIAL ID FOR REPAIR DOUBLER 2024T3 .080 AND FILLER 2024T3 .063 IAW SRM 55-10-01, REPAIR 11. FABRICATED AND INSTALLED REPAIR DOUBLER AND FILLER IAW SRM 55-10-01, REPAIR 11.