What was found
DTW - OVERHEAD EMERGENCY LIGHT AT ROW 20 INOPERATIVE. REPLACED BATTERY PACK FOR OVERHEAD EMERGENCY LIGHT AT ROW 20. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DTW - OVERHEAD EMERGENCY LIGHT AT ROW 20 INOPERATIVE. REPLACED BATTERY PACK FOR OVERHEAD EMERGENCY LIGHT AT ROW 20. SYSTEM GROUND CHECKED NORMAL OPERATION.