What was found
AIRCRAFT BATTERY SWITCH ON, NO GROUND POWER WITH BATTERY DISCHARGE LIGHT ILLUMINATED. RESTORED GROUND POWER. BATTERY CHARGER OPS CHECK GOOD & BATTERY VOLTAGE AT 28 VOLTS IS WITHIN FULL CHARGE LIMITS REF MM 24 31 21/801.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT BATTERY SWITCH ON, NO GROUND POWER WITH BATTERY DISCHARGE LIGHT ILLUMINATED. RESTORED GROUND POWER. BATTERY CHARGER OPS CHECK GOOD & BATTERY VOLTAGE AT 28 VOLTS IS WITHIN FULL CHARGE LIMITS REF MM 24 31 21/801.