What was found
FOUND HEAVY CORROSION AT MULTIPLE AREAS OF PAX DOOR INNER STRUCTURE INTERCOSTAL DD6 . (C-CHECK RO 10/4/2021) REMOVED AND INSTALLED NEW REPLACEMENT MIDDLE INTERCOSTAL DD6 AT PAX DOOR INNER STRUCTURE DATUM 6 PER CRJ200 SRM 51-42-06 , SRM 51-42-21 & SRM 51-23-00 REF. BOMBARDIER DWG 601R31902 REV. BT & BP. RESTORED FINISH. LEAK CHECK GOOD. COMPLIED WITH TASK CARD 51-900-1003-SKY.