What was found
PAX DOOR FWD DD1A INTERCOSTAL AND CLEAT HAS CORROSION (C-CHECK RO 7/20/2021) REMOVED CORROSION ON PAX DOOR FWD DD1A INTERCOSTAL IAW CRJ 700 SRM 51-21-06-001-001-A01. PAX DOOR FWD DD1A INTERCOSTAL ORIGINAL MATERIAL THICKNESS IS 0.050" IAW CRJ 700 SRM 52-11-06-001-001-A01. MATERIAL THICKNESS REMOVED OFF INTERCOSTAL IS 0.004" TOOL # TUC7996 EXP. 31-DEC-2021 , REMAINING MATERIAL THICKNESS ON INTERCOSTAL IS 0.046" 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. INSTALLED NEW CLEAT COMMON TO FWD DD1A INTERCOSTAL IAW CRJ 700 SRM 51-42-06-.001-001-A01 AND BOMBARDIER DWG 601R31702 REV. N. RESTORED FINISH ALL FASTENERS AND APPLIED C.I.C AT REPAIRED LOCATION IAW CRJ 700 SRM 51-25-16-001-001-A01 AND SRM 51-21-11-001-001-A01 CW 51-900-1002-SKY