Alternator offline. Both front and rear

[frank.oconnor19]

On a flight from KAKH to Ocean City MD about 2 hours in, both alternator's went offline. She'd power till landing, put gear down early on to ensure it would work. Anyhow, what is interesting is that on landing both came back online, again. Not sure what could cause this.

Flying back Monday, had a mechanic look things over, but no apparent issues. Looking for ideas to look at.

Thanks for any help!