What was found
STRONG SMELL OF FUEL IN COCKPIT. PACK 1 RUN COLD AND HOT FOR 1 HOUR. NO FURTHER FUEL ODOR WAS DETECTED. PERFORMED FIM. FOUND AUTO MODE HEAT WORKING INTERMITTENTLY. REMOVED AND REPLACED DUAL TEMPERATURE CONTROL VALVE. LEAK CHECK SAT. OPS CHECK FAILED. REMOVED AND REPLACED RELAY (K0335). OPS CHECK FAILED. PACK 1 OVERHEAT APPEARED ON MANUAL MODE. FOUND LEAKING DUCT ON DUAL TEMP CONTROL VALVE. REMOVED AND REPLACED CLAMPS ON DUEL TEMP CONTROL. OPS/LEAK CHECK SAT. PACK 1 OVERHEAT APPEARS PERFORMING TEST ON MANUAL MODE. OPS CHECK FAILED. REMOVED AND REPLACED TEMP CONTROL MODULE. OPS CHECK FAILED. REMOVED AND REPLACED LH PACK OVERTEMP SWITCH. OPS CHECK FAILED. REMOVED AND REPLACED TEMP CONTROL MODULE. PERFORMED HIGH POWER RUNS. PERFORMED OPS CHECK IN MANUAL AND AUTO. OPS CHECK SAT. NO DEFECTS NOTED AT THIS TIME.