As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H AND R/H RBL 9 FLOOR BEAM ANGLES COMMON TO FS 280 CROSSBEAM HAVE ELONGATED HOLES. LOCATED AND DRILLED NEW SERVICEABLE L/H AND R/H BL 9 FLOOR BEAM ANGLES COMMON TO FS 280 CROSSBEAM .P/N CC670-34269-9 AND CC670-34269-8 IAW CRJ 900 SRM 51-40-11-001-001-A01. INSTALLED L/H AND R/H BL 9 NEW SERVICEABLE FLOOR BEAM ANGLES COMMON TO FS 280 CROSSBEAM IAW CRJ 900 SRM 51-42-21-001-001-A01.