As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C3 CHECK. ON AFT SIDE OF FUSELAGE INTERIOR AT FS 1069.75 BETWEEN STRINGER 9R AND 10R FITTING PN 670-36541-002 HAS SEVERAL DRILL MARKS ON THE TOP SURFACE. MAINTENANCE BLENDED OUT THE DAMAGE IAW EA R-54-86 AND REO 670-54-51-007. RESTORED FINISH.