What was found
*CORROSION ON RH FLOOR SILL FS559.00+80-605.00 (C-CHECK) RO 2/9/2021 REMOVED AND REPLACED THE RH FLOOR SILL. COMPLIED WITH ALL STEPS OF RREO 601R-53-61-5376, REV-A, DATED 2018-10-25, DRAWING 601R35012 REV-T, & CRJ200 SRM 51-42-06,. COMPLIED WITH 51-900-1003-SKY.