What was found
ORD - FLT 4233 - AFT EMERGENCY LIGHTS DO NOT ILLUMINATE. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY AT LOCATION NR 4. OPERATIONAL CHECK GOOD. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD - FLT 4233 - AFT EMERGENCY LIGHTS DO NOT ILLUMINATE. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY AT LOCATION NR 4. OPERATIONAL CHECK GOOD. (M)