Because of a loss of cabin pressure a Boeing 737 of Germania on its flight to Mallorca returned to the departing airport Erfurt (ERF), after being about 30 minutes in the air. As reported by the manager of the airport Erfurt, Mr. Uwe Kotzan, shortly after the start on monday morning a loss of cabin pressure took place aboard the aircraft. This was why the 737 returned after about 30 minutes flying and landed at about 07.15 AM safely in ERF. As Mr. Kotzan says, all 151 passengers aboard this aircraft were uninjured. The reason of this loss of cabin pressure was not clear shortly after the aircrafts landing.