As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNDERFLOOR CORROSION. INTERCOSTAL 20R FROM FS 310 TO FS 319 CORRODED (C-CHECK RO 3/11/2022) REMOVED & REPLACED INTERCOSTAL 20R FROM FS 310.00 TO FS 319.00 REF CRJ 700 SRM 51-42-06-001-001-A01 AND DWG SH670-31950 REV Y. RESTORED FINISH. COMPLIED WITH ST 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.