As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK WAS FOUND ON RIB LEADING EDGE SS57.16 AT LH WING. STEP 1 TO STEP 4 WAS PERFORMED PER REO 690-57-41-240 REV. -- AND DUE ADYACENT CRACK WAS FOUND RIB LEADING EDGE SS57.16 AT LH WING WAS REPLACED PER CRJ900 SRM 51-42-06-001-001-A01 , CRJ900 SRM 51-42-21-001-001-A01 AND CRJ900 SRM 51-42-13-001-001-A01.