What was found
CMH - FLT 400 - DURING ROUTINE MAINTENANCE CHECK, FOUND AFT EMERGENCY EXIT LIGHTS INOPERATIVE. REMOVED AND REPLACED BATTERY SUPPLY. OPERATIONS CHECK OK. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CMH - FLT 400 - DURING ROUTINE MAINTENANCE CHECK, FOUND AFT EMERGENCY EXIT LIGHTS INOPERATIVE. REMOVED AND REPLACED BATTERY SUPPLY. OPERATIONS CHECK OK. (M)