What was found
DECLARED EMERGENCY/AIR TURNBACK. CREW REPORTED STRONG ELECTRICAL/OZONE SMELL IN COCKPIT AND CABIN. REMOVED AND REPLACED LEFT A/C PACK 35 DEGREE VALVE PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DECLARED EMERGENCY/AIR TURNBACK. CREW REPORTED STRONG ELECTRICAL/OZONE SMELL IN COCKPIT AND CABIN. REMOVED AND REPLACED LEFT A/C PACK 35 DEGREE VALVE PER MM.