What was found
L/H WING AFT WING TO FUSELAGE FITTINGS (UPPER & LOWER) HAVE TOOLING MARKS. AIRCRAFT REMOVED FROM SERVICE BLENDED DAMAGE TO SMOOTH CONTOUR ON THE L/H WINGBOX TO FUSELAGE MACHINED FRAME AT FS 473.15 BLEND DIMENSIONS FOUND TO BE .500"L X .200"W X .043"D, NDT PERFORMED WITH NO DEFECTS NOTED AT THIS TIME, AND IS WITHIN ALLOWABLE LIMITS. REF CRJ-200 SRM 51-41-15 AND SRM 53-00-00. BLENDED DAMAGE TO SMOOTH CONTOUR ON THE L/H WINGBOX TO FUSELAGE FITTING AT FS 473.15 BLEND DIMENSIONS FOUND TO BE .850"L X .215"W X .027"D, NDT PERFORMED WITH NO DEFECTS NOTED AT THIS TIME, AND IS STRUCTURALLY ACCEPTABLE REF BOMBARDIER REO 601R-57-21-3253 DTD 2020-02-07.