As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A NEW FAA PMA RIGHT AILERON IS PURCHASED FROM UNIVAIR AIRCRAFT FOR INSTALLATION ON AIRCRAFT. THE AILERON WOULD NOT FIT ON THE AIRCRAFT AS RECEIVED DUE TO MISALIGNMENT OF THE CENTER HINGE FITTING. NO OTHER AILERON WAS AVAILABLE FROM THIS MANUFACTURER. THE MANUFACTURER SHIPPED AN UNDRILLED CENTER HINGE FITTING P/N U18279 WHICH WAS INSTALLED ON THE NEW AILERON. SUBSEQUENT OPERATION WAS NORMAL.