What was found
FLT 3420 - DURING THE PREFLIGHT IN DTW, THE EMERGENCY LIGHTS WERE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACKS. ALL CHECKS SATISFACTORY. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 3420 - DURING THE PREFLIGHT IN DTW, THE EMERGENCY LIGHTS WERE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACKS. ALL CHECKS SATISFACTORY. (M)