What was found
PHL - THE EMERGENCY LIGHTS FAILED THE SYSTEM TEST. MAINTENANCE REPLACED THE MIDDLE, RIGHT EMERGENCY POWER SUPPLY UNIT (FIN 12WL). OPERATIONALLY CHECKS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PHL - THE EMERGENCY LIGHTS FAILED THE SYSTEM TEST. MAINTENANCE REPLACED THE MIDDLE, RIGHT EMERGENCY POWER SUPPLY UNIT (FIN 12WL). OPERATIONALLY CHECKS OK.