As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUX BATTERY SHOWS A 3 AMP CHARGE AND 27 VOLTS. OPS TEST FOR AUX BAT CHARGER GOOD REF MM 24 31 31. MAINT CONTROL DIRECTED US TO REPLACE BOTH BATTERIES AND CHARGER (AUX). REPLACED BOTH BATTERIES AND AUX BAT CHARGER REF MM 24 31 31 AND 24 31 11. OPS NORMAL SAME.