The French crew also radioed about static electricity charge. It could be nothing else but them actually seeing a shining ball.
Can someone enlighten me where in the official BEA reporting the AF447 crew radioed about this issue of static electricity? The only reference about this issue I could find in the reporting is flight LH507, a Lufthansa B744 preceding AF447 by about 20 minutes at FL 350. This crew reported that `They saw St. Elmo´s fire on the windshield on the left-hand side.´
I have checked Appendix 3 of the BEA Interim report which contains the AF447 radiocommunications transcript but it does not mention anything about static electricity.
Regards,
Green-dot