Moin,
so eben hab ich dies gefunden
ZitatIncident: Aeroflot B763 near Los Angeles on Jun 13th 2009, curious medical emergency
An Aeroflot Boeing 767-300, registration VP-BAY performing flight SU-321 from Moscow Sheremetyevo (Russia) to Los Angeles,CA (USA), was enroute, when a female passenger (45) started to complain about pain in her breast, the pain worsening during the 14 hours flight. When the airplane started to descend towards Los Angeles, the passenger collapsed prompting the crew to declare medical emergency. The airplane landed safely, the passenger was brought to a local hospital.
Doctors diagnosed, that a silicone implant had burst due to pressure differential shortly before Los Angeles. Doctors said, that the implant was already damaged before the flight.