As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FLT 10 - DURING TAKEOFF FROM PIT, THE LEFT AIR CONDITIONING PACK KICKED OFF. FLIGHT RETURNED TO PIT AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE PERFORMED BITE ON THE PACK CONTROLLERS. NO FAULT WAS FOUND. THE RIGHT PACK TEMPERATURE CONTROL VALVE WAS REPLACED AS PRECAUTION. (M)