As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE DOING A SCHEDULE VISUAL INSPECTION OF THE WING IT WAS NOTED A CRACK WAS IN RIB WEB. THE RIB IS LOCATED NEXT TO THE LAST OUTBOARD LEFT WING. CRACK IS 7 INCH LONG ALONG THE THE BOTTOM SIDE THEN TURNS UP AT BOTH ENDS FOR 1 INCH. REMOVED AND REPLACED WITH NEW RIB.