What was found
PASSENGER DOOR PIANO HINGE HALF ON FUSELAGE SIDE FAILED THE GO NO-GO CHECK OF THE DIAMETER OF THE HOLES. (C-CHECK RO 10/29/2023) REMOVED AND INSTALLED NEW PAX DOOR PIANO HINGE FUSELAGE SIDE IAW CRJ 200 SRM 53-21-23 AND DWG 601R31527 REV. AM, REO 601R-53-21-656 REV -A DATED 2017-03-06 AND REO 601R-53-21-814 REV. B DATED 2017-06-05. COMPLIED WITH 51-900-1003-SKY AND PRESSURE CHECK GOOD . SEE CONTINUATION CARD FOR DETAILS.