As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BL 2 LT INTERCOSTAL BETWEEN FRAMES 349 AND 364 HAS EVIDENCE OF CORROSION ON FUSELAGE SKIN FLANGE. C-CHECK RO 10/22/2020 REMOVED CORROSION ON ATTACH FLANGE OF INTERCOSTAL AT BL 2 LT BETWEEN FRAMES AT FS 349 AND FS 364, REF CRJ700 SRM. FOUND TO BE OUT OF LIMITS. REMOVED AND INSTALLED NEW BL 2 LT INTERCOSTAL BETWEEN FRAMES FS 349 AND FS 364, REF CRJ700 SRM AND DWG. NO LEAKS NOTED. COMPLIED WITH TASK CARD.