As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VERTICAL STAB DORSAL FIN FASTENER HOLE HA CORROSION 25.5" FROM L/E 7.5" DOWN FROM STA ZFS 52.267. ON INVESTIGATION FOUND FASTENER HOLE 25.5" FROM L/E 7.5" DOWN FROM STA. ZFS 52.267 TO HAVE DRILL START IN COUNTERSINK AND NOT TO BE CORROSION. REPAIRED DAMAGED FASTENER HOLE IAW DELTA ER/A 512980-14AD REV ORIGINAL. ASSOCIATED ER/A 14-512980 ADDED FOR AC 0907. CORRECTION TO LOG PAGE 0819714 : AND ER/A 512980-14 PRI. REV. 1.