As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FUSELAGE SKIN AT FS 1665 AND STRINGER 25R WAS BADLY DENTED AT THE FWD END OF A DRAIN MAST. INSTALLATION DUE TO GROUND SERVICE DAMAGE. THE DAMAGED AREA WAS CUT OUT AND A SKIN DOUBLER AND TRIPLER WERE INSTALLED PER ER/A 364032-14, REV A.