As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MAINTENANCE PERFORMING INSPECTION IT WAS NOTED THAT THE NR 3 SLAT OTBD STOP CUTOUT CORNER CRACKED. STOP DRILLED CRACK, PERFORMED HFEC WITH NO DEFECTS. FABRICATED DOUBLER FROM 2024 T3 .063 INCH DIM 9 INCH BY 9 INCH. INSTALLED REPAIR IAW SRM 57-30-4. NO OTHER DEFECT NOTED. AIRCRAFT WAS RETURNED TO SERVICE.