Hi Wodi, Hombre and Decomp, thanks for the interesting discussion posted in this forum.
I'm currently looking at modification of large transport aircraft, converting from passenger to freighter. I'll like to find out more on the methods in certifying such modification to meet FAR 25.365(e)...
I think you should contact Kidde. Normally they would be more than willing to assist since they would want to ensure that product reliability is not the issue.
Hope the above helps