What was found
PHX - EEL - EMERGENCY ESCAPE PATH LIGHTING WILL NOT TEST PER T/C I8M05319. MAINTENANCE REMOVED AND REPLACED THE AFT BATTERY PACK AT EMERGENCY POWER SUPPLY UNIT (13WL), OPERATIONAL CHECK WAS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PHX - EEL - EMERGENCY ESCAPE PATH LIGHTING WILL NOT TEST PER T/C I8M05319. MAINTENANCE REMOVED AND REPLACED THE AFT BATTERY PACK AT EMERGENCY POWER SUPPLY UNIT (13WL), OPERATIONAL CHECK WAS GOOD.