As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHEN REINSTALLING THE LT AILERON AFTER MAINTENANCE, THE ENGINEER NOTICED THAT THE AILERON BOLTS WERE INSTALLED INCORRECTLY AT BEARING NR 1 AND NR 3 ATTACH POINTS. THE RT AILERON BOLTS WERE ALSO CHECKED AND FOUND TO BE INSTALLED INCORRECTLY. BOLTS WERE THEN REMOVED, INSPECTED AND REINSTALLED IAW MM 57-511 REF. FIGURE 1C DETAIL A. NOTE: BOLTS WERE FOUND OPPOSITE OF DETAIL A.