What was found
* THE INTERCOSTAL IN THE AVIONICS BAY, FORWARD OF THE DOOR CUTOUT, BETWEEN FS 349 AND FS 364 TO THE LH SIDE OF STRINGER 27, COMMONLY REFERED TO AS STRINGER 27L, HAS CORROSION IN MULTIPLE SPOTS. (C-CHECK) RO 2/28/2020 REMOVED CORRODED & INSTALLED NEW INTERCOSTAL BETWEEN FS349.00 AND FS364.00, STGR27L REF BOMBARDIER DWG, CRJ 200 SRM. ALL LEAK AND OP AND FUNCTIONAL CHECKS ARE GOOD AT THIS TIME. SEE CONTINUATION CARD FOR DETAILS.