As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE WORKING F.S.621 BULKHEAD REPAIR FOUND STIFFENER OUTBOARD OF LBL 36 JUST ABOVE FLOOR LEVEL IN AFT SIDE OF BULKHEAD CRACKED. C-CHECK RO 1/16/2021. INSTALLED STIFFNER P/N 601R36008-51 COMMON TO AFT BULKHEAD AT FS 621 LBL 36, IAW CRJ-200 SRM 51-42-06 REV 38B DATED 25 NOV 2020. TASK CARD 51-900-1003-SKY COMPLETED, FORM M-337 ATTACHED. NO WEIGHT AND BALANCE CHANGE.