As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE STIFFENER POST AT RBL 9 ON THE AFT FACE OF THE BULKHEAD AT FS 559 IS CRACKED ON THE INBOARD AND OUTBOARD SIDES APPROX .5 INCH LONG AT THE LOWER RIVETS. SUP - MAINTENANCE PERFORMED MAJOR REPAIR TO STIFFENER POST AT BULKHEAD FS 559 AT RBL 9 IAW CRJ 200 SRM 51-42-06 AND BOMBARDIER REO 601R-53-41-057. (M)