As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C2, AFT PIT FS 1060 CORROSION ON LWR SURFACE OF UPPER FRAME FLANGE AT L36, L34L & L35L & ALSO ON FRAME CAP AT L36. REMOVED DAMAGED SECTION OF FRAME. FABBED REPAIR PARTS. ALODINED AND PRIMED REPAIR PARTS AND DAMAGED AREA. INSTALLED REPAIR IAW EO DC8-5310-1 1728 & UPS DWG DC8-53A-011.