The meeting between an ASK21 glider and a lightning bolt was recreated on a BBC '999' programme some years ago. Here is the (non-technical) description of the incident by the passenger:
Powered by Google Docs
Getting composite aircraft parts qualified for larger aircraft can be a nightmare, as electrical bonding of any metallic inserts is a must, and coatings and joints have to last the anticipated life of the component if lightning protection is to be maintained. Some components have a fine metal mesh moulded in, but this must be properly earthed too.