What was found
INDICATION NOTED AT F.S. 621 REAR PRESSURE BULKHEAD FWD FACE AT LBL 36.20, WL79.0, 100% FULL SCREEN HEIGHT AND .70" LONG FAILING NDT. AIRCRAFT REMOVED FROM SERVICE REPAIRED DAMAGE AT F.S. 621 REAR PRESSURE BULKHEAD AT LBL 36.20, WL79.0 IAW BOMBARDIER REO 601R-53-61-1240, REV-D, DATED 2016-10-31.