Several Bellman hangars at Moorabbin have recently been condemned due to structural issues with the door frames. Seems the south facing openings have rusted to the point that it's too dangerous to open them. MAC have stated that they won't be repaired due cost. In fact the latest airport master plan released last month talks of "consolidation" of hangars to open up new parking areas due to the "shrinking" of the airside component of the airport.