That force "exceeded the design criteria for the landing gear" and triggered an "inertia switch" designed to activate when subjected to a force of 5.5g, says the TSB.
That switch cuts power to the flight data and cockpit voice recorders, ensuring those recorders do not erase data after a crash, the TSB says.
The pilots received a warning in the cockpit of a problem with the flight recorder.
So, not only a damaged ac, the FDR and CVR were not working on the flight?
AC now has something similar...A switch cuts power to the flight data and cockpit voice recorders, ensuring those recorders do not erase data after a landing....