What was found
FLT 274 - PHX-IAH - EEL - EMERGENCY LIGHT TEST FAILS - EMERGENCY POWER SUPPLY UNIT ARMED/ON LEFT AFT. MAINTENANCE REMOVED AND REPLACED THE LT AFT 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.
FLT 274 - PHX-IAH - EEL - EMERGENCY LIGHT TEST FAILS - EMERGENCY POWER SUPPLY UNIT ARMED/ON LEFT AFT. MAINTENANCE REMOVED AND REPLACED THE LT AFT EMERGENCY POWER SUPPLY UNIT. OPERATIONAL CHECK WAS GOOD.