As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE-C/CK, CORROSION ON UNDER SIDE OF FLOORBEAM FWD UPPER FLANGE AT STA 1720 BETWEEN L29L TO L29R. REMOVED FLOORBEAM AT FS 1720, FABBED NEW FLOORBEAM FROM 1706317 T EXTRUSION .090 7075 T6 IAW DC8 SRM 53-7-1. ALODINED AND PRIMED IAW DC8 SRM 51-1-8. INSTALLED FLOORBEAM IAW DC8 SRM 51-1-20D.