As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YYC - DURING C3 CHECK, FUSELAGE INTERIOR FORWARD SIDE AT STATION 1088.2 BETWEEN STRINGERS 9R AND 10R. PYLON SPAR PART NUMBER 67037140002 TOP SURFACE HAS SEVERAL DRILL MARKS. MAINTENANCE BELNDED OUT DAMAGE IAW EA R-54-86 AND REO 670-54-51-007. RESTORED SURFACE.