What was found
*IN MAIN CABIN, ON PRESSURE FLOOR SUPPORT BEAM, FROM APPROXIMATELY 409+128 TO FS559, AND LBL9, HAS CORROSION ON MULTIPLE AREAS OF UPPER SURFACE. (MARKED) (C-CHECK RO 3-25-22) PERFORMED REPAIR ON FLOOR SUPPORT BEAM, FROM APPROXIMATELY 409+128 TO FS559.00, AND LBL9 BY CUTTING THE TOP FLANGES OF THE C CHANNELS AND INSTALLING A HAT EXTRUSION IAW REO 601R-53-41-3020 REV. -- DATE: 2022-02-15, CRJ200 SRM 51-42-06, CRJ200 SRM 51-42-21, AND CRJ200 SRM 51-42-22. COMPLIED WITH TASK CARD 51-900-1003-SKY. SEE CONTINUATION CARD FOR DETAILS. NO LEAKS NOTED