As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND DURING ZERO B, TRANSITION CHECK AT AVBORNE HEAVY MAINTENANCE FACILITY, PRIOR TO THIS AIRCRAFT BEING ON THE KHA CERTIFICATE, CABIN FLOORBEAM AT BODY STATION 400, RBL 12 CORRODED. REMOVED CORROSION AT FLOORBEAM. CUTOUT AND REMOVED DAMAGED AREAS PER SRM 53-10-8 PAGE 18. FABRICATED REPAIR PARTS AND INSTALLED IAW 53-10-8. (M)