As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FCA FLIGHT NR 2396, AFTER START, DURING TAXI, MAIN BATTERY LOAD FLUCTUATED BETWEEN -0.20 AND +0.26, CYCLED BETWEEN THE VALUES EVERY 10-20 SECONDS. MAINTENANCE CLEANED CONNECTIONS TO SHUNT 2431-R4. GROUND RAN AIRCRAFT. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.