What was found
F.S. 280.00 CROSS BEAM LEFT HAND SIDE IS CRACKED. CORRECTIVE ACTION: REMOVED AND REPLACED F.S. 280.00 CROSSBEAM(PN:CC670-34094-1) IAW CRJ 900 SRM 51-25-16, 51-40-11, 51-42-21, 51-42-13, 51-21-11, 51-42-06, 551-40-11, AND CRJ 900 AMM 20-70-00.