As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT FLOOR SILL 1.5" AFT OF FS 559.00 HAS 1 EA ELONGATED NUTPLATE HOLE. C-CHECK RO 1/28/2021. REMOVED AND REPLACED LT FLOOR SILL AFT OF FS 559, IAW CRJ 200 SRM-51-42-06 AND 51-42-21 REV 38, DATED 7/10/19. FORM 337 AND MAJOR REPAIR TASK CARD 51-900-1003-SKY COMPLETED AND ATTACHED. NO WEIGHT CHANGE. SEE CONTINUATION CARD FOR DETAILS OF WORK PERFORMED.