What was found
DTW - FORWARD OVERWING EXIT LIGHT ON WITH POWER OFF. REMOVED AND REPLACED BATTERY POWER SUPPLY IAW SYSTEM, OPS CHECK GOOD. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DTW - FORWARD OVERWING EXIT LIGHT ON WITH POWER OFF. REMOVED AND REPLACED BATTERY POWER SUPPLY IAW SYSTEM, OPS CHECK GOOD. (M)