German BFU finds engine oil toxins in pilot's blood
The BFU (German equivalent of the AAIB) is not letting this one drop. Air Berlin has had two reportable fume incidents in a couple of months, one in an A330 and the other in a 737-700.
On the 737 the copilot was disabled by nausea. All the links are here:
Pilot inflight collapse: Germany investigates cabin air poisons - Learmount