What was found
INTERCOSTAL BELOW PAX DOOR AT STR 21L BETWEEN FS 333 TO FS 349 HAS CORROSION (C-CHECK RO 11/8/2022) REMOVED AND REPLACED CORRODED INTERCOSTAL WITH NEW INTERCOSTAL BELOW PAX DOOR AT STR 21L BETWEEN FS 333 TO FS 349 REF CRJ-200 SRM 53-21-17, CRJ-200 SRM 53-00-00, CRJ-200 SRM 51-40-11, SRM 51-42-06, CRJ-200 SRM 51-42-21 AND DWG# 601R31527 REV AM. RESTORED FINISH TO REWORKED AREA REF CRJ-200 SRM 51-25-01. LEAK CHECK GOOD. / COMPLIED WITH 51-900-1003-SKY. SEE CONTINUATION FOR DETAILS