As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD SIDE OF RIB AT FS.310.00 IS CORRODED BETWEEN STR. 25L AND 25R. (C-CHECK- RO 11/11/21) UPON FURTHER INVESTIGATION FOUND CORROSION TO BE AT FS 319. REMOVED AND REPLACED FRAME SEGMENT AT FS 319 AT STR 25L AND 25R IAW CRJ 200 SRM 51-42-06 AND 51-42-21. COMPLETED TASK CARD 51-900-1003-SKY AND ATTACHED COMPLETED FORM 337. NO WEIGHT CHANGE NOTED.