What was found
FS 319 FRAME STRAP AT FLOOR LEVEL WL 72.50 FWD OF SERVICE DOOR HAS EVIDENCE OF CORROSION. C-CHECK RO 10/22/2020. BLENDED CORROSION, IAW CRJ700 SRM. ORIGINAL THICKNESS OF UPPER OUTER STRAP 0.100, MATERIAL REMOVED 0.030, REMAINING MATERIAL 0.070. ORIGINAL THICKNESS OF MID SECTION 0.160, MATERIAL REMOVED 0.080, REMAINING MATERIAL 0.080 (REF DWG) FOUND TO BE OUT OF LIMITS OF 10% MAX MAT LOSS, IAW CRJ700 SRM. INSTALLED NEW FRAME BRACKET PN SH670-31990-1 AT FS 319 AT FLOOR LEVEL WL 72.50 FWD OF SERVICE DOOR, REF BOMBARDIER DWG AND CRJ700 SRM. DRILLED AND LOCATED NEW BRACK PN SH670-31990-1, REF BOMBARDIER DWG AND CRJ700 SRM. SEE CONTINUATION CARD FOR DETAILED WORK PERFORMED. COMPLETED FORM M-337.