What was found
FLT 134 RSW-JFK, AIRCRAFT DIVERTED TO TPA DUE TO AVIONICS VENT FAULT. ECAM ACTION WAS COMPLETED. THEN A SECOND FAULT (EXHAUST) OCCURRED, IT WAS RESET, THEN WE HEARD A LOUD BANG. CABIN KEPT CLIMBING 6-800 FPM, CABIN WENT TO 10,200. AIRCRAFT DESCENDED AND LANDED TO TPA. FOUND AIR EXTRACT DUCT COLLAPSED. REMOVED AND REPLACED AIR EXTRACT DUCT, CHECK VALVE AND SKIN AIR INLET VALVE. SYSTEM OPS CHECK NORMAL IAW 21-26-52 AND 21-26-56.