What was found
THREE SVC EMERGENCY LIGHT TEST FAULTED EPSU BATTERY AFT LEFT. PERFORM RESET OF EPSU (LEFT AFT BATTERY) AND SYSTEM NOW CHECKS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THREE SVC EMERGENCY LIGHT TEST FAULTED EPSU BATTERY AFT LEFT. PERFORM RESET OF EPSU (LEFT AFT BATTERY) AND SYSTEM NOW CHECKS NORMAL.