What was found
DTW - FOUND OVERWING EXIT LIGHTS WILL NOT COME ON. REMOVED AND REPLACED BATTERY PACK SYSTEM. OPS CHECK GOOD PER MM 33-53-01. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DTW - FOUND OVERWING EXIT LIGHTS WILL NOT COME ON. REMOVED AND REPLACED BATTERY PACK SYSTEM. OPS CHECK GOOD PER MM 33-53-01. (M)