sentences:  In August 2012 she ran aground on a sandbank as she left Mar del Plata and lost her sonar.This meant that her sister had to make an unscheduled deployment to replace "Spiro" on the Atlasur IX exercise off West Africa.Having left port with unresolved problems in her generators, "Espora" ended up spending 73 days in South Africa after three generators failed completely and Argentina struggled to find the money to repair them.