Originally Posted by Oakape
Those that do this & then hold pressure on the reverse thrust levers to get immediate deployment once the interlocks release (as they are supposed to), will find that they will get deployment while still in the air.
I know of one case where the pilot had developped an habit (I mean non-standard procedure) that relied on the interlocks for preventing reverse thrust (actually beta range in a turboprop).
The day the interlocks failed, the outcome was all POB dead but for 2 survivors.
http://www.mt.public.lu/ministere/se..._EN_fokker.pdf
Luc