What was found
FLT NR 0700 - ATL-PHX - EMERGENCY LIGHT TEST FAILS AFT LT EMERGENCY POWER SUPPLY UNIT BITE, BATTERY FAIL. R&R AFT LT BATTERY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT NR 0700 - ATL-PHX - EMERGENCY LIGHT TEST FAILS AFT LT EMERGENCY POWER SUPPLY UNIT BITE, BATTERY FAIL. R&R AFT LT BATTERY.