What was found
"LH AFT OVER-WING EXIT DOOR HAS A SUSPECTED CRACK COMING OUT OF A PREVIOUS REPAIR STRIPPED THE FINISH OF THE SUSPECTED CRACK ON THE LH AFT OVER-WING EXIT DOOR IAW CRJ900 SRM 51-26-01-001-001-A01 HFEC PERFORMED ON SUSPECTED CRACK LOCATION IAW CRJ 900 NDTM PT 1 51-20-006-250-A01 FOUND CRACK TO EXTEND OUT OF THE PREVIOUS REPAIR APPROXIMATELY .400"" LONG AS MARKED ON THE PART NO OTHER INDICATIONS NOTED AT THIS TIME FAILED NDT RECEIVED MHIRJ REO 690-52-21-212, REF CORRECTIVE ACTION BLOCKS ON THIS NON ROUTINE FOR COMPLETION OF STEPS OF REO, REF ENDEAVOR NON ROUTINE 913100 FOR REINSPECT/DTA REMOVED LH AFT OVER-WING EXIT DOOR PANEL IAW CRJ-900 AMM 25-26-09-000-801 (CONFIG A02) : INSTALLED SAME SERVICEABLE LH AFT OVER WING EXIT DOOR PANEL IAW CRJ900 AMM 25-26-09-400-801-A02. REMOVED PREVIOUS REPAIR IAW CRJ-900 SRM 51-42-21-001-001-A01 MECHANICALLY MEASURED HOLE DIMENSIONS AND EDGE DISTANCE WITH WVACT 204922 CAL DUE DATE 31-DEC-26. LARGEST HOLE FOUND WAS .157"" AND CLOSEST EDGE DISTANCE FOUND WAS .32"" FABRICATED 1EA BRACKET P/N 690-52-21-213-1 AS REQUIRED USING 7475-T7351 PO# 5-55446 IAW STEPS 1-5 AND 8-9 OF MHIRJ REO 690-52-21-213 REV -- DATED 2026-02-13. PERFORMED LPI ON LEFT AFT EMERGENCY EXIT DOOR UPPER FORMER REPAIR PART IAW MHIRJ REO 690-52-21-213 REV-- DATED 2026-02-13 STEP 6. NO INDICATIONS NOTED AT THIS TIME. COMPLIED WITH STEPS 7 AND 10 OF MHIRJ REO 690-52-21-213 REV -- DATED 2026-02-13. PAINTED AND IDENTIFIED NEW SERVICEABLE BRACKET PN 690-52-21-213-1 COMPLIED WITH STEPS 2, 3, 4, 5 OF MHI RJ REO 690-52-21-212 REV--(P1) DATED 2026-02-18. CUT OUT CRACK DAMAGE AND CUT AWAY FLUSH THE AFT MICROSWITCH TAB FROM LH AFT OVERWING EXIT, REMOVED BURRS AND SHARP EDGES AND DETAILED VISUAL INSPECTED. PERFORMED EDDY CURRENT ON LEFT AFT EMERGENCY EXIT DOOR UPPER FORMER CUTLINE EDGES IAW MHIRJ REO 690-52-21-212 REV--(P1) DATED 2026-02-18 STEP 6. NO INDICATIONS NOTED AT THIS TIME COMPLIED WITH STEP 19 OF MHIRJ REO 690-52-21-212 REV-P1 DATED 2026-02-13, REFERENCE TASK 12B FOR NDT OF 2EA SPOTFACES. PERFORMED EDDY CURRENT ON LEFT AFT EMERGENCY EXIT DOOR UPPER FORMER SPOT FACE AREAS IAW MHIRJ REO 690-52-21-212 REV--(P1) DATED 2026-02-18 STEP 19. NO INDICATIONS NOTED AT THIS TIME. COMPLIED WITH STEPS 10 THRU 14 OF MHIRJ REO 690-52-21-212 REV P1 DATED 2026-02-13. FABRICATED, LOCATED AND DRILLED ITEM 1 MADE FROM 2024-T3 0.120"" PO# W-87213 ITEM 2 MADE FROM 7075-T6 0.080"" PO# 5-39364 ITEM 3 MADE FROM 2024-T3 0.063"" PO# WP17898 AND ITEM 4 MADE FROM 2024-T3 0.120"" PO# W-87213. FOR LH AFT EMERGENCY DOOR. PERFORMED EDDY CURRENT ON LEFT AFT EMERGENCY EXIT DOOR UPP"