CE reported 3501 A/S cab door top catch ~~~~~ CE reported 3501 A/S cab door top catch     Check & found DIR was interminttenly was extinguished when door not positively latched.Adjusted DSS ok.DIR no longer showing false indication when doors not positively latched,Door security check.satis.Door cyclic test,DIR able to illuminated & extinguish as per door opnen/close position. Done by Arthur  24/01/22