Flight #BA31 from London to Hong Kong suffered a technical issue.
Flight #BA31 took off 50 minutes late from London Heathrow at 18:50 BST.
About 1h30 later, while the aircraft was still in Austrian Airspace, the crew decided to turn around.
Pilots didn’t consider to squawk 7700 for a general emergency.
The aircraft (reg. G-XWBF) was suffering an engine malfunction.
Once North of London, the plane entered an holding pattern in order to lower fuel weight prior to landing.
The flight landed back at London Heathrow on runway 09L 3h50 after take off.
The aircraft is only 3 years old. It was back after operating a flight from Los Angeles.
