As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN BATTERY KEEPS FALLING OUT (OFF). RECYCLED 2 AFTER TAKEOFF AND STAYS INOP. SMELL OF ELECTRICAL BURNING. REMOVED AND REPLACED MAIN BATTERY AS PER 24-31-85. FOUND MAIN BATTERY CHARGING SYSTEM WORKING PROPERLY AT THIS TIME. PERFORMED VISUAL INSPECTION. NO DEFECTS FOUND. (M)