What was found
IN CRUISE FLIGHT (FL390) RT PACK TEMP EICAS MESSAGE. SHORTLY THEREAFTER, RT PACK INOPERATIVE AND RT BLEED OFF EICAS WITH LIGHTS ON OVERHEAD PANEL. RAN QRH AND PRESSED EVENT RECORD. COULD NOT MAINTAIN CABIN ALTITUDE ON ONE PACK. BEGAN DESCENT. CABIN ALTITUDE CLIMBED TO 13,000 FT. DURING DESCENT TO 10,000 FT CABIN AUTO INOPERATIVE EICAS MESSAGE AND OVERHEAD PANEL LIGHT ILLUMINATED. RAN QRH. SELECTED MANUAL ON ALTITUDE CONTROLLER IAW QRH. DONNED OXYGEN MASKS UNTIL CABIN ALTITUDE WENT BELOW 10,000 FEET. TROUBLESHOT SYSTEM IAW FIM 21-51, FT 803, PACK TEMP SENSOR BITE SHOWS COMPRESSOR SENSOR, TEMP CONTROL VALVE, AND LOW LIMIT VALVE FAULTED. DURING FURTHER INSPECTION, FOUND CONNECTORS VERY LOOSE ON ALL FAULTS LISTED, TIGHTENED ALL CONNECTORS LISTED IAW SMP. DURING RT PACK TEST IAW AMM 21-51-00-5, FOUND WATER EXTRACTOR LINE WITH A BIG HOLE CAUSING AIR TO LEAK BY. LINE REMOVED IAW AMM 21-51-04-034-005, COMPLETED STEPS IN AMM 21-51-00-5 AND ALL OPS CHECKED GOOD, ALL INDICATIONS ARE CORRECT AND VERIFIED RAM AIR DOOR INLET AND OUTLET DOORS ARE IN CORRECT POSITIONS AS COMMANDED. RT PACK NOW OPERATES WITH NO FAULTS. ACFT OK FOR SERVICE.