What was found
* PAX DOOR HINGE, FUSELAGE SIDE HAS NUMEROUS LUG LANDINGS CHAFFED/GOUGED FROM AFT OF LUG #14 TO LAST LUG LANDING (MARKED) (C-CHECK RO 9/21/2021) BLENDED OUT CHAFE/GOUGE ON PAX DOOR HINGE (FUSELAGE SIDE) AT LUGS LANDING FROM #14 TO #27 REF. CRJ-700 SRM 53-21-23-201-010-A01, PARAGRAPH D.(1). ORIGINAL THICKNESS ON PAX DOOR HINGE (FUSELAGE SIDE) AT LUGS LANDING FROM #14 TO #27 IS .134" REF. BOMBARDIER DWG# SH670-31876 REV G, LOWEST REMAINING THICKNESS IN AREA AT LUG LANDS IS .120" MEASURED USING CALIPER TUC9235 CAL. DUE DATE 31-AUG-21, MATERIAL LOSS IN AREA IS .014". AREA AT LUG LANDS #14-#27 IS WITHIN LIMITS REF. CRJ-700 SRM 53-21-23-201-010-A01, PARAGRAPH D. (2). (SEE CONTINUATION SHEET FOR FURTHER DETAILS). COMPLIED WITH TASK CARD 51-900-1002-SKY.