[suicideneil]

The motor connections are female bullets soldered to the pcb, doubt they've come loose but its easy to check- more likely something internally.

Check the esc settings on the castlelink in case the settings have been affected- sometimes they can randomly reset upon a heavy impact.

Best way to secure the esc to the chassis is with some double-sided sticky foam & the ziptie or traxxas hold-down mount, helps absorb a bit of the impact better.