As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REPAIR TO LH FLOOR SILL FOUND ADDITIONAL DAMAGE AROUND SCREW HOLE AT FS 434 (C-CHECK) RO 5/16/2020 REPAIRED L/H FLOOR SILL DAMAGE AROUND SCREW HOLE AT F.S. 434 IAW BOMBARDIER REO AND SKY CARD OPS AND LEAK CHECK GOOD. REFERENCE ATTACHED FORM 337