As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT CUSP WEB AT STA 215 LIGHTENING HOLE HAS CRACK. STOP DRILLED CRACK AT FLOOR WEB BY LIGHTENING HOLE STA 218 IAW DC9 SRM 53-01 FIG 2. FABRICATED REPAIR DOUBLER IAW SRM 51-70-4 FIG 2. INSTALLED DOUBLER FLOOR WEB STA 215 IAW SRM 51-30-2.