British Airways B763 near London on Jul 3rd 2014, burning smell in cockpit

A British Airways Boeing 767-300, registration G-BNWX performing flight BA-676 from London Heathrow,EN (UK) to Istanbul (Turkey) with 185 passengers, was climbing out of London when the crew stopped the climb at FL230 reporting a burning smell in the cockpit and returned to Heathrow Airport for a safe landing on runway 27R about 35 minutes after departure (20 minutes after stopping the climb). The aircraft taxied to the apron after inspection by emergency services.

The airline reported the aircraft encountered a minor technical problem, the problem is being resolved and the aircraft is about to resume the flight.

Emergency services reported they were alerted due to smoke in the cockpit.