As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 2C CHECK FOUND RIGHT FLOOR SILL CORRODED IN APPROXIMATELY 8 PREVIOUSLY BLENDED AREAS BETWEEN FS 280 AND FS 319.70. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED RIGHT FLOOR SILL BETWEEN FS 280.00 AND FS 319.70 IAW BOMBARDIER STRUCTUAL REPAIR MANUAL 51-42-06. THE AIRCRAFT WAS RETURNED TO SERVICE.