What was found
AIR TURNBACK, ON TAKEOFF OTHER AIRCRAFT REPORTED SEEING FUEL VENTING HEAVY OUT OF LT WING. RESET PRESSURE RELIEF VALVE PER AMM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, ON TAKEOFF OTHER AIRCRAFT REPORTED SEEING FUEL VENTING HEAVY OUT OF LT WING. RESET PRESSURE RELIEF VALVE PER AMM.