What was found
PHX - AIRCRAFT FAILED THE OPERATIONAL TEST OF THE EMERGENCY LIGHTS SYSTEM. MAINTENANCE REPLACED THE EMERGENCY POWER SUPPLY UNIT. OPERATIONALLY CHECKS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PHX - AIRCRAFT FAILED THE OPERATIONAL TEST OF THE EMERGENCY LIGHTS SYSTEM. MAINTENANCE REPLACED THE EMERGENCY POWER SUPPLY UNIT. OPERATIONALLY CHECKS OK.