What was found
PAX DOOR AFT FORMER CORRODED IN SEVERAL OF THE UPPER BAYS ON THE INNER SIDE, MARKED (NOTED AFTER INNER SKIN WAS LIFTED). C-CHECK RO 12/05/2020. PAX DOOR AFT FORMER ORIGINAL MATERIAL THICKNESS IS 0.063", IAW CRJ 200 SRM. EXFOLIATED CORROSION AT MULTIPLE LOCATION AND MORE TWO ELEMENT AT GIVEN CROSS-SECTION OUT OF LIMITS, IAW CRJ 200 SRM. INSTALLED NEW PAX DOOR AFT FORMER, REF CRJ 200 SRM AND BOMBARDIER DWG. LEAK CHECKS GOOD.