As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING THE MANUFACTURERS EVENT 1 INSPECTION, A CRACK WAS DISCOVERED IN THE RIGHT WING MAIN SPAR 9FS 137) JUST INBOARD OF WING STATION 87.50. THE CRACK WAS APPROXIMATELY .875 INCH LONG AND EXTENDS FROM THE CENTER OF THE SPAR AFT THROUGH A RIVET HOLE. (M)