US Airways A332 near Charlotte on Aug 18th 2014, odour on board

A US Airways Airbus A330-200, registration N290AY performing flight US-706 from Charlotte,NC (USA) to Frankfurt/Main (Germany), was enroute at FL370 about 320nm northeast of Charlotte when the crew decided to return to Charlotte due to an unbearable odour on board. The aircraft landed safely back in Charlotte about 100 minutes after departure. Emergency services searched the aircraft but were unable to identify a source of the odour. 11 passengers were treated at the airport, 4 needed to be taken to a hospital with injuries.

A replacement Airbus A330-200 registration N281AY reached Frankfurt with a delay of 5.5 hours.