As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON BOLT HOLE INSPECTION OF VERTICAL STAB, FOUND THREE HOLES DAMAGED. DAMAGE CLEAN-UP RESULTED IN OVERSIZING HOLES LARGER THAN ALLOWED SIZE. OVERSIZED HOLES WERE REPAIRED IAW ER/A 510499-14AD, REV ORIG ASSOCIATED ER/A 14-510499 ADDED FOR AC 0927.