The 110 meter long self-propelled tanker barge Jeandine became disabled on the Rhine near Assmannshausen, Germany.   The Jeandine broke its  clutch and gearbox when a floating log became wedged in the propeller.   No reports of injuries.   The Jeandine dropped anchor until it could be towed to Bingen.  There the tanker will lighter its cargo of 2000 tons of jet fuel before going into a shipyard for repairs.  No reports of pollution being released.