What was found
AIRCRAFT WAS OPERATING FLIGHT 245 IAH-DEN, DEC 7, 2013. PACK 2 WAS ALREADY INOPERATIVE ON MEL, MDDR 1101834. PACK 1 FAILED IN FLIGHT, CABIN ALTITUDE CLIMBED TO THE POINT 02 MASKS DEPLOYED, AIRCRAFT DIVERTED TO DFW. AIRCRAFT WAS FERRIED TO GYR WITH BOTH PACKS INOPERATIVE & UNPRESSURIZED. PACK 1 DUCT CLAMP SEPARATED. REPLACED DUCT CLAMP & SEALS IAW AMM 21-52-23-400-001-A. R & R NR 1 PACK CONTROLLER FOR PACK 1 FAULT IAW AMM 21-61-34 PB401, OPERATIONS & LEAK TESTED GOOD.