What was found
AFT PRESSURE BULKHEAD FWD SURFACE CRACKED AT FS 621.00 LBL 18 AND WL 104.5 1.25'' IN LENGTH. AIRCRAFT REMOVED FROM SERVICE. PERFORMED CUTOUT OF AFT PRESSURE BULKHEAD CRACKED AREA AT FS 621.00 LBL 18 AND WL 104.5 CUTOUT MEASURES L=2.925'' W=1.242, REF REO 601R-53-61-1285 REV E DATED 2016-10-31. PERFORMED HFEC INSPECTION AROUND CUTOUT ON AFT PRESSURE BULKHEAD FS 621.00 LBL 18 AND WL 104.5, REF REO 601R-53-61-1285 REV E DATED 2016-10-31 AND CRJ 200 NDTM PART 1 REV 41 51-20-06 NO INDICATIONS NOTED EDDY CURRENT TESTER S/N 200051301 CAL DUE 01/24/21. FABRICATED REPAIR PARTS FROM ALUMINUM SHEET OF 2024-T3 OF 0.063'' AND 0.040'', REF REO 601R-53-61-1285 REV E DATED 2016-10-31. INSTALLED REPAIR PARTS AND FILLER ON AFT PRESSURE BULKHEAD AT FS 621.00 LBL 18 WL 104.5, REF REO 601R-53-61-1285 REV E DATED 2016-10-31.