As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AROUND FASTENER HOLE ON FLOORBOARD SUPPORT STRUCTURE R/H SIDE BETWEEN FR 76 AND FR78 APPROX RBL 37.5 SECOND FROM FORWARD FASTENER HOLE. REMOVED AND REPLACED FLOORBOARD SUPPORT STRUCTURE R/H SIDE BETWEEN FR76 AND FR78 APPROX RBL 37.5 I.A.W. A220 ASRP BD500- A-J51-42-20-00AAA-078A-A. (LP# 1573040; AIRCRAFT WAS GROUNDED)