What was found
DURING AUDIT OF TASK CARD 53-140-505 (DETAILED INSPECTION OF THE CABIN FLOOR STRUCTURE FROM FS280.0 TO FS409.0), FOUND AFT OF SERVICE DOOR CUT-OUT, FS349 CROSSBEAM CAP BETWEEN RBL27 AND RBL42 SHOWS SIGNS CORROSION AROUND FASTENERS (C-CHECK RO 5/15/2023) REMOVED AND INSTALLED NEW FS349 CROSSBEAM CAP BETWEEN RBL27 AND RBL42 REF CRJ200 SRM 51-42-06, CRJ200 SRM 51-42-21 AND DWG NO 601R38665 REV -V.