MORIS Distributor: Pressure loss and continuous re-levelling

In this video, we explain what can be the cause of a pressure leak (the cabin re-levels continuosly) in a MORIS distributor. 0:00 - introduction and preliminary checks 0:48 - R9A leak from main non-return valve 4:36 - R10A leak from EB valve 7:02 - R11A leak from manual descent button 9:21 - R12A leak from hand pump non-return valve