As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REMOVAL OF RH APRON SKIN FOR REPALCEMENT ,FOUND A BOTTOM SUPPORT CHANEL CORRODED. (C CHECK RO 02-12-2022) INSTALLED NEW R/H BOTTOM SUPPORT CHANEL REF DWG 601R31058 REV.R AND CRJ 200 SRM 51-42-06 REV.38 DATED JUL 10/19 . COMPLIED WITH 51-900-1003-SKY AND SEE CONTINUATION CARD FOR DETAIL