What was found
FS 409.00 IS CORRODED ON THE FORWARD SIDE ON THE FRAME DOUBLER BETWEEN STR 26 AND STR 27 AND ON THE AFT SIDE ON THE FRAME DOUBLER. C-CHECK RO 11/11/2020. REMOVED UNSERVICEABLE FS 409.00 FRAME DOUBLER BETWEEN STR 26 AND STR 27 AND AFT SIDE ANGLE ON THE FRAME DOUBLER AND INSTALLED SERVICEABLE FS 409.00 FRAME DOUBLER BETWEEN STR 26 AND STR 27 AND AFT SIDE ANGLE ON THE FRAME DOUBLER, IAW CRJ-200 SRM. PRESSURIZATION LEAK CHECKS GOOD, REFERENCE CONTINUATION FOR WORK PERFORMED. COMPLETED SKYWEST TASK CARD AND ATTACHED COMPLETED SKYWEST FORM 337. NO WEIGHT CHANGE.