I AM NOT FAMILIAR WITH THE REPAIRS BUT ONE THING I SUGGEST IS THE TO NOTICE WEATHER THEASE CRACKS HAVE OUCCERD ON THE END COLOUMS NOR ON THE INTERNAL COLOUMS,SINCE IT IS A FRAMED STRUCTURE YOU MIGHT KNOW ABOUT THE IMPORTANCE OF END COLOUMS. SO CARE MUST BE TAKEN AS FAST AS POSSIBLE.
good luck...