As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE IN MSP, A .25 INCH CRACK WAS FOUND EXTENDING FROM A RIVET HOLE ON THE LEFT WING LOWER LEADING EDGE AT WS 99.510. REPAIRS WERE COMPLETED BY REMOVING THE DAMAGED AREA AND FABRICATING AND INSTALLING A REPAIR DOUBLER IAW FAC SRM 57-90-20 PAGES 3-8. (W)