Incident: British Airways B787 over Germany on Feb 18th 2016, door seal issues

A British Airways Boeing 787-900, registration G-ZBKD performing flight BA-33 from London Heathrow,EN (UK) to Kuala Lumpur (Malaysia), was enroute at FL350 about 30nm southwest of Cologne (Germany) when the crew descended the aircraft to FL330, then further to FL310 and again to FL290 while continuing in the general direction of Kuala Lumpur. About 20 minutes later, about 30nm north of Nuremberg (Germany), the crew decided to return to London Heathrow due to a problem with one of the door seals… (avherald.com) さらに...