American B772 at London on Jul 12th 2016,smoke in cockpit

An American Airlines Boeing 777-200, registration N788AN performing flight AA-105 from London Heathrow,EN (UK) to New York JFK,NY (USA), was climbing out of Heathrow's runway 27R when the crew stopped the climb at FL140 reporting smoke in the cockpit and returned to Heathrow for a safe landing on runway 27L about 30 minutes after departure. Emergency services found no trace of fire or heat, the aircraft taxied to the apron.

The flight was cancelled.

The airline reported a technical issue as reason for the return to London.

The Aviation Herald