What was found
THE PRECATCH LEVER ON THE INSIDE OF THE AIRPLANE AND THE PRECATCH RELEASE BUTTON ON THE OUSIDE OF THE AIRPLANE WILL NOT RELEASE THE DOOR FROM THE PRECATCH. WHEN THE DOOR IS SHUT SOLELY ON THE PRECATCH THE ONLY WAY TO OPEN THE DOOR IS TO USE THE MAIN HANDLE TO FULLY LATCH THE DOOR AND THEN OPEN IT. ADJUSTED FWD MIDDLE AND FWD UPPER MED LATCH PLATES ALONG WITH MED AFT MIDDLE AND AFT LOWER LATCH PLATES AS REQUIRED AND VERIFIED AERODYNAMICS CONTOUR SURFACES ARE WITHIN LIMITS. REF AMM 52-10-00 AND CE560XLS SRM 51-00-03. PERFORMED ADJUSTMENT OF THE PRECATCH PLUNGER IN REF TO ASCEND AMM 52-10-01. PRECATCH NOW SITS FLUSH AND RELEASES THE DOOR WHEN THE BUTTON IS PRESSED.