As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR SUPPORT STRUCTURE HAS SEVERAL AREAS WITH CORROSION BETWEEN FS559+80 AND FS621 LBL9. AIRCRAFT REMOVED FROM SERVICE. BLENDED AND EVALUATED 28 AREAS OF CORROSION BETWEEN FS559 TO FS621 LBL8 TO LBL10 FOUND TO BE STRUCTURALLY ACCEPTABLE IAW REO 601R-53-00-005, REV B DATED 2011/01/06. REMOVED AND REPLACED FLOOR SUPPORT STRUCTURE FOR 1 AREA OUT OF LIMITS, AT FS559+121 TO FS621. 2EA BEAMS OB P/N 600-35031-307, IB BEAM P/N 600-35031-308. IAW CRJ-200 SRM 51-42-06, AND 51-42-21 REV 39.