As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BUNGEE WAS INSTALLED ON THE NOSE LANDING GEAR STRUT ON AN EXPERIMENTAL AIRCRAFT. THE BUILDER NOTED THE AGE OF THE UNUSED BUNGEE WAS APPROXIMATELY 12 YEARS. DURING HIGH-SPEED TAXI TEST THE BUNGEE BROKE, CAUSING THE NOSE LANDING GEAR TO COLLAPSE. THE AIRCRAFT SUBSEQUENTLY FLIPPED OVER ON ITS BACK. ZENETH. LSASTOLCH701