As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK INSPECTION WHILE COMPYING WITH AD 89-08-10 AND S.B.'S A53-154 AND A53-223, FOUND LEFT DORSAL FIN ATTACH ANGLE HAD ONE FASTENER HEAD MISSING AND SEVERAL FASTENERS NOT PORPERLY SEATED. REPLACED FASTENERS IAW DC-9 SRM 51-30-1 AND 51-30-5.