What was found
ON JUNE 15, THE AIRCRAFT FLEW ON THE MIA - ANF ROUTE, A REPORT BY LT BLEED DUCT LEAK IS PRESENTED, WHICH RETURNS THE AIRCRAFT TO THE MIA STATION; LT PRSOV WAS REPLACED. AFTER THIS EVENT ON JUNE 16, THE AIRCRAFT MADE THE MIA - ANF -SCL FLIGHT, PRESENTING IN THIS LAST BASE RH PACK CAN NOT MAINTAIN PRESSURIZATION REPORT; THE RT PACK TEMPERATURE CONTROLLER & TEMPERATURE VALVE PACK ON THE SAME SIDE IS REPLACED AND THE AIRCRAFT FLIES TO MIA. ON JUNE 17, THE MIA - ORD FLIGHT IS MADE AND UPON ITS DEPARTURE FROM THIS LAST BASE, A CABIN ALTITUDE REPORT IS PRESENTED, FORCING IT TO RETURN TO THE MIA STATION AGAIN; CHANGE OF THE RT AIR CYCLE MACHINE WAS MADE.ON JUNE 21ST, AMONG THE WORK SCHEDULED TO CORRECT THE FAULTS, THE LT OVERPRESSURE SWITCH WAS FOUND DISCONNECTED; TESTS WERE PERFORMED AND THE CORRECTION OF THE LT BLEED DUCT LEAK FAULT WAS CORROBORATED. ON JUNE 24TH, THE RT AIR CYCLE MACHINE, RT HEAT EXCHANGER PRIMARY & SECONDARY, WAS REPLACED, RECOVERING THE RIGHT PACK. AFTER THE CHANGES OF THESE COMPONENTS, THE AIRCRAFT HAS NOT PRESENTED REPORTS RELATED TO THESE SYSTEMS.