What was found
BTB-FOR SMOKE IN COCKPIT DUCT OVERHEAT LIGHT ON. SMOKE IN COCKPIT LEFT PACK TEMP GAUGE PEGGED FULL HOT. LEFT PACK WAS NEVER TURNED ON. SUSPECT LOSE OF NR 1 BUS OPENING LEFT PACK VALVE, RUN BOTH PACKS NO DEFECTS NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BTB-FOR SMOKE IN COCKPIT DUCT OVERHEAT LIGHT ON. SMOKE IN COCKPIT LEFT PACK TEMP GAUGE PEGGED FULL HOT. LEFT PACK WAS NEVER TURNED ON. SUSPECT LOSE OF NR 1 BUS OPENING LEFT PACK VALVE, RUN BOTH PACKS NO DEFECTS NOTED.