As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LATCH PIN INTERCOSTAL LOCATED AFT OF AVIONICS DOOR BETWEEN FS394.00 TO FS409.00 AND BETWEEN STGR 27 AND 26L IS CORRODED. REMOVED CORRODED INTERCOSTAL AND REPLACED WITH NEW INTERCOSTAL PER CRJ200 SRM 51-42-06, CRJ200 SRM 51-42-21, AND DWG# 601R31049 REV C.