As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FLOOR SILL HAS MULTIPLE CORROSION AREAS FS409+128 TO FS559 (C-CHECK) RO 2/21/2021 CORROSION WAS REMOVED AND TREATED IAW BOMBARDIER REO 601R-53-41-666 REV C DATED 2012-11-06. 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