As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL FROM FS 310.00 TO 333.00 AT STRINGER 21L IS CORRODED. C-CHECK RO 12/24/2020. REMOVED AND REPLACED INTERCOSTAL FROM FS 310.00 TO 333.00 AT STRINGER 21L, IAW CRJ-700 SRM. REF ATTACHED TASK CARD AND M-337 FOR RII TASKS. NO CHANGE TO WEIGHT AND BALANCE.