As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*CORROSION ON PAX DOOR INTERCOSTAL FWD DD4 (C CHECK RO 2/17/2022) CORROSION FOUND OUT OF LIMITS INSTALLED NEW REPLACEMENT INTERCOSTAL (P/N 601R318093-1) AT DD4 BETWEEN FS311.75 AND FS320.00 USING NEW FASTENERS. REF BOMBARDIER DWG# 601R31702 REV -N AND CRJ700 SRM 51-42-06-001-001 A01. COMPLIED WITH TASK CARD 51-900-1002-SKY. LEAK CHECK GOOD