What was found
LEFT WING AFT DRAG ANGLE HAS 2 AREAS OF VERIFIED CORROSION ALONG OUTBOARD EDGE AND 8 AREAS OF VERIFIED CORROSION ON MIDDLE DRAG ANGLE OUTBOARD EDGE. RIGHT UPPER WING AFT DRAG ANGLE HAS 1 AREA OF VERIFIED CORROSION ALONG OUTBOARD EDGE AND 7 AREAS OF VERIFIED CORROSION ON MIDDLE DRAG ANGLE OUTBD EDGE. REPAIRED LT AND RT WING SIDE DRAG ANGLE CORROSION, PER TEXTRON AVIATION FIELD REPAIR: FR-680-0097-8375 REV -, TITLED "FIELD REPAIR-CORROSION, WING, UPPER SKINS, LT/RT WS 37, APPROVED ON FAA FORM 8100-9 DATED 17 SEPT 2020.