As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING FCD, FOUND A CRACK ON NR 1 INBD SLAT TRACK SKIN CUT OUT LT WING. VERIFIED CRACK USING HFEC IAW NDTSPM 06-10-01. CRACK 1/2 INCH IN LENGTH. REMOVED CRACK. COMPLIED WITH HFEC INSPECTION, NO CRACKS FOUND. REPAIRED IAW EA 8-5710-F0308207. MAJOR REPAIR.