As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BAT DISCHARGE LIGHT ILLUMINATED THREE TIMES IN FLIGHT BAT VOLT 26 5 DC AMP. DIVERSION TIME 102 MINUTES. PERFORMED FIM TASK 24 31 00, NO FAULTS NOTED. AS A PRECAUTION REPLACED MAIN AND AUX BATT REF MM 24 31 11, OPS NORMAL. REPLACED MAIN AND AUX BATT CHARGERS REF MM 24 31 21 AND MM 24 31 31 OPS NORMAL. REPLACED SPCU REF TASK 24 34 11 000 801 2434 11 400 801, OPS CHECKED GOOD.