As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-1 CHECK INSPECTION, FOUND UPPER LEFT WING SKIN CORRODED AT XRS 250 AT WING STRINGER NR 7 AND 8. INSTALLED DOUBLER IAW AIA/E/DRAWING 2426 AND EA 96-348 REPORT NR 96 AIA 197 DATED 12-12-96. CORROSION CARD NR 117L-0551. NON-ROUTINE TASK CARD NR 91640, LEVEL 2.