What was found
IAW NR 2 SERVICE, EMERGENCY LIGHT TEST FAILED WITH A LT AFT BATTERY MESSAGE. REPLACED L AFT EPSU BATTERY. OPERATIONS CHECKED NORMAL IAW AMM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
IAW NR 2 SERVICE, EMERGENCY LIGHT TEST FAILED WITH A LT AFT BATTERY MESSAGE. REPLACED L AFT EPSU BATTERY. OPERATIONS CHECKED NORMAL IAW AMM.