Flaps,
From the A321 QRH re 'Tripped C/B Re-engagement'
''In flight, do not re-engage a c/b that has tripped by itself, unless the captain (using his/her emergency authority) judges it necessary for the safe continuation of the flight. This procedure should be adopted only as a last resort, and only one re-engagement should be attempted.''
I believe that says it all really, whether the c/b in question is on the flight deck or elsewhere in the aircraft.
Cheers all,
mcdhu