What was found
DE-ICED ON TAXI OUT. ON TAKEOFF GOT NOSE DOOR OPEN MASTER WARNING MSG WHEN RETRACTING GEAR. COMPLETED CHECK LISTS, TALKED TO COMPANY/MX, AND RETURNED TO FIELD PER CHECK LIST. REMOVED ICE FROM AFT NOSE DOOR, OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DE-ICED ON TAXI OUT. ON TAKEOFF GOT NOSE DOOR OPEN MASTER WARNING MSG WHEN RETRACTING GEAR. COMPLETED CHECK LISTS, TALKED TO COMPANY/MX, AND RETURNED TO FIELD PER CHECK LIST. REMOVED ICE FROM AFT NOSE DOOR, OPS CHECK GOOD.