What was found
CHECK A-10 - PHX - CABIN FWD EMERGENCY POWER SUPPLY UNIT WILL NOT SELF-TEST. MAINTENANCE REMOVED AND REPLACED THE FORWARD CABIN EMERGENCY POWER SUPPLY UNIT. OPERATIONAL CHECK WAS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CHECK A-10 - PHX - CABIN FWD EMERGENCY POWER SUPPLY UNIT WILL NOT SELF-TEST. MAINTENANCE REMOVED AND REPLACED THE FORWARD CABIN EMERGENCY POWER SUPPLY UNIT. OPERATIONAL CHECK WAS GOOD.