What is the DRSABC action plan?

I think you mean DRABC? Stands for:

Danger- check for danger around you which can cause harm to the patient and yourself

Response- COWS( can you hear me, open your eyes, whats your name, squeeze my hand)

Airways- clear anything in the patients airways by turning into the recovery position

Breathing

Compression

For more info take a look at surf life saving website. sure they will have step to step info :)