As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AD 96-18-02 AND THE AIRWORTHINESS LIMITATIONS FOR THIS AC REQUIRE THAT THE WING SPAR/STRUT ATTACH FITTINGS BE REMOVED AND NDI WITH FLUORESCENT DYE PENETRANT EVERY 1000 HOURS. NDI DISCLOSED A FLAW WITHIN THE METAL, APPARENTLY EXISTING WITHIN THE RAW STOCK WHEN MFG, AND THE AMOUNT OF DYE THAT BLED OUT INDICATES THAT THE FLAW EXTENDS DEEPLY INTO THE METAL. IT IS NEAR THE TOP BOLT HOLE WHERE THE STRESSES ARE MINIMAL, AND NO CRACKING WAS NOTED BETWEEN THE FLAW AND THE HOLE. (TC NR 20070907003)