As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LYH/IAD - FLT 6189 - DURING CRUISE AT 1215 HOURS ON 6-22-97, MADE A SCHEDULED LANDING AT IAD WITH ONE DISCREPANCY WHICH WAS THE NR 1 BATTERY OVERTEMP LIGHT ILLUMINATED. MAINTENANCE INSPECTED AND REMOVED AND REPLACED NR 1 BATTERY, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (X)