As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER DOOR CRACKED INTERCOSTAL AFT SIDE OF DOOR INSIDE OF THE 2ND ACCESS HOLE FROM THE BOTTOM, DISCOVERED DURING C-CHECK INSPECTION. INSTALLED INTERCOSTAL PN NR 601R31902-3185 AT PASSENGER DOOR INSIDE OF 2ND ACCESS HOLE IAW CRJ 200 SRM 57-77-00 PG 1.