British Airways #BA123 from London to Doha declared an emergency and returned to Heathrow.
The flight BA123 departed London Heathrow from runway 27R. But immediately after takeoff the crew declared an incident.
The pilots reported fumes inside the cockpit to air traffic control.
— Flight Emergency (@FlightEmergency) November 24, 2023
The Boeing 777-200ER (reg. G-YMMI) turned left at 4,800 ft altitude to final approach to runway 27L.
It landed only 21 minutes after takeoff.
Heathrow airport switched landings to south runway during the incident.
The aircraft is currently parked in a remote area to be inspected.