As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AREAS OF CORROSION ON WING BOX PRESSURE FLOOR UPPER SURFACE SKIN AND DOUBLERS SPANNING BETWEEN FS 424.00 AND FS 559.00 + 16 BETWEEN RBL 45 AND 36. WORK COMPLETED IN ACCORDANCE WITH: CRJ 200 NDTM 51-20-04, REO6 601R-53-41-554, CRJ 200 NDTM 51-20-06, AND SP607.