As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE CPCP INSPECTION, FOUND SEVERAL HOLES DRILLED INTO RT FRAME AT FS 1520, 5 ABOVE UPPER CUSP AREA. BLENDED OUT SHARP EDGES, TRIMMED DAMAGED HOLE FABRICATED DOUBLER AND SHIMS IAW COTNEY DWG D93-R64. TREATED AND PRIMED IAW DC8 SRM 51-1-8 AND INSTALLED REPAIR IAW COTNEY DWG D93-R64. CORROSION TASK CARD NUMBER 573R-0551. NON-ROUTINE NR 04892 TASK NR Y1313.