As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 L/E SLAT HAS CHAFING ALONG THE TOP OF THE SLAT FROM INBD TO OTBD SIDE. REPAIRED NR 4 SLAT IAW SRM 51-70-10, PN 114N4005-177G, SN A1-0249. REPAIR IS ON THE INBD END AND IS 24" L X 7" W. EA F-5750-146530 GENERATED FOR TRACKING PURPOSES ONLY. CLASSIFIED MAJOR REPAIR.