As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE-C REPAIR SEQUENCE NR 280-W3-009, LT NR5 SLAT INNER SKIN SURFACE STA XOS 773 REPAIR NEEDS VALIDATION. EXISTING DOUBLER REMOVED. HFEC AND 10X VISUAL INSP C/O ON EXISTING DOUBLER REMOVE AREA, FOUND NO CRACK OR CORROSION EVIDENT. REFER TO NRC: MD038229 FOR REPAIR WORK DETAILS.