What was found
FLT 174 - PHX-LAS - EMERGENCY LIGHTS - LEFT MID CABIN EMERGENCY LIGHTS EMERGENCY POWER SUPPLY UNIT FAILS SELF-TEST (GIVES UNIT FAULT). REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38-04. OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 174 - PHX-LAS - EMERGENCY LIGHTS - LEFT MID CABIN EMERGENCY LIGHTS EMERGENCY POWER SUPPLY UNIT FAILS SELF-TEST (GIVES UNIT FAULT). REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38-04. OPERATIONAL CHECK GOOD.