As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME AT FS 574 CORRODED BETWEEN STGR 24R AND STRG 24L. REMOVED UNSERVICEABLE 574 FRAME AND INSTALLED SERVICEABLE 574 FRAME, IAW CRJ-200 SRM 51-42-06, 51-42-21, 51-40-11. BELOW CARGO FLOOR AIR DISTRIBUTION SYSTEM LEAK TEST GOOD, IAW CRJ 200 AMM 21-20-00-790-801.