As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 678 - DTW - BATTERY CHARGER PULSES LEFT 8-10 TIMES PER MINUTE. BATTERY VOLTS NORMAL. QRH COMPLIED WITH. CIRCUIT BREAKER PULLED. CHARGER CIRCUIT BREAKER. REMOVED AND REPLACED BATTERY CHARGER. OPS CHECKED GOOD PER MD-80 MM 24-30-00. NO OTHER DISCREPANCIES NOTED. (M)