As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND DURING D-CHECK AT SIN, DAMAGE WAS FOUND AT FASTENER HOLE IN THE FITTING AFT VERTICAL FLANGE. THE DAMAGE WAS COMPLETELY REMOVED BY OVERSIZING THE HOLE TO .4521-4541 INCHES DIAMETER. AN OVERSIZE FASTENER AS THE SAME DESIGN TYPE REQUIRED, WAS INSTALLED AT THE AFFECTED LOCATION. ALL OTHER FITTING REWORK AND REFINISH ACCOMPLISHED IAW TERMINATING ACTION. (M)