What was found
R/H FS 280 CROSSBEAM IS CORRODED ON CORNER EDGES OF THE BEAM R/H FS 280 CROSSBEAM HAS MULTIPLE CORROSION PITS ON CORNER EDGE OF BEAM. NO LIMITS NOTED IN SRM REQUIRES REPLACEMENT CORRECTIVE ACTION: LOCATED AND DRILLED NEW SERVICEABLE R/H FS 280 CROSSBEAM PN CC670-34094JP-2S IAW CRJ-900 SRM 51-40-11-001-001-A01 CORRECTIVE ACTION: INSTALLED NEW RH FS 280.00 CROSSBEAM PNCC670-34094JP-2S IAW CRJ900 SRM 51-42-06-001-001-A01. CRJ900 SRM 51-42-22-001-001-A01. AND CRJ900 SRM 51-42-13-001-001-A01. CORRECTIVE ACTION: RESTORED SURFACE FINISH ON REWORKED AREAS IAW CRJ900 SRM 51-21-16-001-001-A01.