Since this DIY repair method was first discovered, there have been a lot of SDM users who had their SDM died have reported success of repair by themselves, at least momentarily. Whilst most of them were dealing with the DA*16-50 lens, today I have seen yet a DA17-70 user has reported a successful repair for his DA17-70 SDM lens:-
http://forum.xitek.com/showthread.php?threadid=883516
(in Chinese, English Page Here (Google-translated))
Whilst this is a positive news to all SDM users I believe, I just wonder why Pentax just not doing the repair in the same way? >:-o
Related:-
Hair Dry and Repair the SDM! :-o
Repair a Stuck SDM DIY - An English Guide
1,000 Signatures of the Pentax SDM Petition Online! (Now 1,229 Signatures)