What was found
THE MAINTENANCE TEAM DISCOVERED DURING THE POSTFLIGHT CHECKLIST THE LEFT PYLON LOWER SHIN HAD A 3 INCH LONG CRACK. THE LEFT LOWER PYLON PANEL WAS REMOVED, A REPAIR WAS FABRICATED AND INSTALLED ON THE PYLON PANEL. THE PANEL WAS REINSTALLED ONTO AIRCRAFT AND THE AIRCRAFT WAS REINSTALLED. WORK WAS DONE IAW THE BEECHJET MODEL 400 SRM 51-02-00, 51-50-15, 51-40-01, 51-43-00