- cause-based framework of present lessons learnedsystems
- orientation of accident investigations relative to lessons learned
- focus of lessons learned efforts,
- derivation of lessons learned during accident investigations
- maximization of the number of lessons learned
- language and structure of lessons learned documentation,
- latency in lessons learned cycles,
- context available with lessons learned,
- harmonizing of lessons learned data derived from accidents and other mishap investigation with lessons derived from other sources in an organization,
- data density of lessons learned outputs,
- breadth of the accessibility of lessons learned,
- internalization of lessons learned when accessed,
- monitoring of changes in activities attributable to lessons learned in mishaps,
- lessons learned life span,
- lessons learned obsolescence, and
- strategies for improving lessons learning systems performance
See http://www.iprr.org/research/llset/SSTS08_tutorial.pdf for a presentation about this topic. And chip in your two cent's worth if you have some useful thoughts.