As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER DOOR: FRAME LOCATED AT FS313.56 BETWEEN INTERCOSTALS DD4 AND DD5 HAS CORROSION. (MARKED). (C-CHECK) RO 4/16/2020 WHILE REMOVING CORROSION ON FRAME FS313.56 BETWEEN INTERCOSTAL DD4 AND DD5 FOUND SEVERE CORROSION ON 3EA ELEMENTS AND ON MORE THAN 40% OF THE LENGHT OF THE PART, OUT OF LIMITS REF CRJ200 SRM. INSTALLED NEW PAX DOOR FRAME AT FS313.56 BETWEEN INTERCOSTALS DD4 AND DD5 IAW CRJ 200 SRM AND SRM AND BOMBARDIER DWG. PRESSURE CHECKS GOOD.