What was found
PAX DOOR FWD DD6 INTERCOSTAL AND CLEAT HAS CORROSION (C-CHECK RO 7/20/2021) REMOVED CORROSION ON PAX DOOR FWD DD6 INTERCOSTAL IAW CRJ 700 SRM 51-21-06-001-001-A01. PAX DOOR FWD DD6 INTERCOSTAL ORIGINAL MATERIAL THICKNESS IS 0.050" IAW CRJ 700 SRM 52-11-06-001-001-A01. MATERIAL THICKNESS REMOVED OFF INTERCOSTAL IS 0.003" TOOL # TUC7996 EXP. 31-DEC-2021 , REMAINING MATERIAL THICKNESS ON INTERCOSTAL IS 0.047" WITHIN LIMITS IAW BOMBARDIER REO 670-52-11-010 REV. NC DATED 2002-02-25 ALLOWABLE TO USE CRJ 200 SRM 52-00-00, MAX MATERIAL LOST IS 10% OF ORIGINAL MATERIAL THICKNESS. RESTORED FINISH BLENDED LOCATION IAW CRJ 700 SRM 51-25-16-001-001-A01. INSTALLED NEW CLEAT COMMON TO FWD DD6 INTERCOSTAL IAW CRJ 700 SRM 51-42-06-001-001-A01 AND BOMBARDIER DWG 601R31702 REV. N CW 51-900-1002-SKY