What was found
CARGO FLOOR SILL LHS BETWEEN FS 574 AND FS 621 IS HAS CORROSION AND CRACKS AROUND SEVERAL OF THE SCREW HOLES (C-CHECK RO 10/07/2021) REMOVED AND REPLACED LH CARGO FLOOR SILL BETWEEN FS 574 AND FS 621 IAW CRJ SRM 51-42-06 AND 51-42-21 AND REO 601R-53-61-1574 REV B DATED 2012-04-15. COMPLETED TASK CARD 51-900-1003-SKY AND ATTACHED COMPLETED FORM 337. NO WEIGHT CHANGE NOTED