As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE COMPLYING WITH PIPER SB NR 974, AILERON HINGE REPLACEMENT AND INSPECTION, FOUND SPAR AND DOUBLER CRACKED UNDER INBOARD AILERON HINGE. SUBMITTER SUGGESTS THIS SHOULD NOT OCCUR AGAIN AFTER COMPLIANCE WITH THIS SB AS THE NEW HINGE BRACKET IS WIDER.