As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE COMPLYING WITH PIPER SB1161D, CRACKING WAS DISCOVERED ON THE FLANGES IDENTIFIED BY THE SERVICE BULLETIN, ON BOTH WINGS. THE FLANGES WERE PART OF A PREVIOUSLY INSTALLED REPAIR KIT AND WERE NOT THE WING RIB'S ORIGINAL FLANGE. THE REPAIR KIT IS NOT AN ADEQUATE PERMANENT SOLUTION TO THE STRESSES CAUSING THE PART FAILURE/CRACKING.