As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*LH FUSELAGE-TO-MLG SIDE BRACE ATTACH FITTING BRACKET HAS MIGRATING SHIMS (MARKED) (C-CHECK) RO:1/29/2020GAP BETWEEN LAMINATED SHIM AND LOWER SIDE OF FRAME FOUND TO BE OUT OF LIMITS. FABRICATED AND REPLACED LAMINATED SHIM WITH SOLID SHIM REF. BOMBARDIER REO