As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MX PERFORMING INSPECTIONS, IT WAS NOTED THAT THE NR 3 SLAT OTBD TRACK L/E CRACKED. STOP DRILLED CRACK, PERFORMED HFEC FOR VERIFICATION OF CRACK CONTAINMENT. FABRICATED REPAIR DOUBLER FROM .063" 2024 T3 DIM 10.5" X 9.250" AND FILLER FROM .063" 2024 T3 DIM 1.750" X 1" AND 2.25" X 2". INSTALLED REPAIR, NO OTHER DEFECTS WERE NOTED. ACFT WAS RETURNED TO SERVICE.