What was found
INSPECTION TYPE:NA**DIVERSION - NO EMERGENCY DECLARED - NO EQUIP USED - AC TAKEN OOS** DURING CRUISE FL370 EICAS MESSAGE FLT DECK TEMP AFT CABIN TEMP FWD CABIN TEMP INDICATED RAN FLT DECK OVERHEAT CHECKLIST AND COULD NOT CONTROL TEMP,DIVERTED TO BWISWAP TRIM AIR MODULATING VALVES WITH THE AFT,CYCLED ALL CB FAULT CLEAR,BIT ZONE TEMP CONTROLLER NO FAULT OPS CHECK GOOD,RE-SWAP VALVES AGAIN OPS CHECK GOOD. T/S PER FIM 21-60-00-815-804.