What was found
AFTER PUSHBACK ELECTRIC LIGHT ILLUMINATED. ACFT GROUNDED. BITE CHECK OF ELECTRIC PANEL FAULTS "AUX BATTERY CHARGER INOPERATIVE I" BATTERY LIGHT ON AUX BATTERY CHARGER NOT ILLUMINATED. FOUND CONNECTOR D10342 AUX BATTERY CHARGER NOT LOCKED IN. SECURED CONNECTOR & AUX BATTERY CHARGER LIGHTS ILLUMINATED. ACCOMPLISHED FIM TASK 24-31, TASK 825 & TASK 24-31--1-710-801 AUX BATTERY CHARGER OPS TEST. CLEARED FAULT & OPS CHECKED NORMAL.