What was found
FOUND FS 280 R/H CROSSBEAM TO HAVE MULTIPLE SPOTS OF CORROSION BETWEEN BL 0 AND RBL 12. UPON FURTHER EVALUATION FOUND FS 280 R/H CROSSBEAM FOUND OUT OF LIMITS IAW CRJ 900 SRM 53-00-00-101-001-A01. DUE TO 100% MATERIAL LOSS. REMOVED R/H FS 280 CROSSBEAM IAW CRJ 900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 AND SRM 51-42-22-001-001-A01. LOCATED AND DRILLED NEW SERVICEABLE FS 280 R/H CROSSBEAM (PN# CC670-34094JP-2S) IAW CRJ900 SRM 51-40-11-001-001-A01. LOCATED AND DRILL HOLES COMMON TO RH FLOOR SILL AND 280 CROSSBEAM AND INSTALLED RIVETS IAW CRJ900 SRM 51-40-11-001-001-A01 AND 51-42-06-001-001-A01. INSTALLED R/H FS 280 CROSSBEAM IAW CRJ 900 SRM 51-42-06-001-001-A01, 51-42-13-001-001-A01, SRM 51-42-21-001-001-A01, SRM 51-42-22-001-001-A01. REF. CRJ 900 SRM 53-11-10-201-004-A01 FOR ALTERNAT FASTENERS. APPLIED PAINT AND CIC REQUIRED ON FWD & AFT SIDE OF R/H FS 280 CROSSBEAM IAW CRJ900 SRM 51-25-21-001-001-A01 AND 51-21-11-001-001-A01.