http://www.nasa.gov/offices/oce/appel/ask-academy/issues/vol...
This knocked out command module electrical systems, and it took some damned fast thinking from ECOM (electrical and environmental systems) who recalled an earlier incident and gave the instruction "SCE to AUX", resetting electrical systems.
Actual launch: http://fixyt.com/watch?v=eWQIryll8y8
Dramatization: http://fixyt.com/watch?v=TMYNy3JsHTE