What was found
LT PACK PUTTING OUT HOT AIR. SUSPECT ACM. REMOVED LT PACK AIR CYCLE MACHINE. COMPLETED REMOVAL UP TO PARA 'H' PAGE 404. REPLACED AIR CYCLE MACHINE IAW MM. OP'S GOOD STILL HAS HIGH PACK OUT TEMP. REMOVED PRIMARY AND SECONDARY HEAT EXCHANGERS DUE TO LT PACK NOT COOLING. REPLACED HEAT EXCHANGERS. PACK OPS CHECKED NORMAL AFTER R & R HEAT EXCHANGERS PRIMARY AND SECONDARY. LEAK NOTED AT 'Y' CONNECTOR DUCT SLIP JOINT. REPLACED SLIP JOINT COUPLING AND SEALS AT AIR CYCLE MACHINE 'Y' DUCT AND HEAT EXCHANGER CONNECTOR. PACKS OPS CHECKED, NO LEAKS NOTED.