Originally Posted by
Kulverstukas
... accidental capture of false glideslope (~1 sec) happened which activated GS CAPTURE and a/c begin automatic descend parallel to glideslope ...
I always thought capture of a false GS still took you to the same point on the runway but at a steeper angle. Rather than a 'false' GS, I wonder if they captured an 'erroneous' GS just like an Air New Zealand B767 did into Apia in 2000.