What was found
L/H WING TO FUSELAGE FITTING - FS 473 - LOWER ATTACH FITTING SHOWS EVIDENCE OF CHAFFING ON EXTERIOR PANEL 2 PLACES AS MARKED (C-CHECK) RO 2/9/2021 REMOVED CHAFFING AT THE LH WING TO FUSELAGE FITTING FS.473 LOWER ATTACH FITTING REF CRJ 200 SRM 51-12-00 FOUND TO BE WITHIN LIMITS AND COMPLIED WITH ALL APPLICABLE STEPS OF REO 601R-57-21-3393 REV-- DATED 2020-12-30. COMPLIED WITH TASK CARD 51-900-1003-SKY. SEE CONTINUATION FOR FURTHER DETAILS.