What was found
*PRESSURE FLOOR BEAM CHANNEL CORROSION FS409.00+128 €“ 559.00 LBL 9(R) (MARKED) (C CHECK) RO 3/7/2020 REMOVED CORROSION ON PRESSURE FLOOR BEAM CHANNEL FS409.00+128 THRU FS559.00 LBL 9(R). REF. CRJ200 SRM. ORIGINAL MATERIAL THICKNESS IN AREA IS .050" REF. DWG, REMAINING MATERIAL THICKNESS IN AREA IS .028" REF. NDT REPORT, MATERIAL LOSS IN AREA IS .022". AREA AT FLOOR BEAM FS 409.00+128 - 559.00 LBL 9(R) IS OUT OF LIMITS OF ALLOWABLE DAMAGE LIMITS OF 10 PERCENT REF. CRJ-200 SRM. COMPLETED PRESSURE FLOOR BEAM CHANNEL REPAIR REF BOMBARDIER REO. SEE CONTINUATION CARD FOR DETAILS.