What was found
EMERGENCY LIGHTS TEST FAILED, FAULTS AFT LEFT BATTERY. EPSU FAILURE. REPLACED AFT LEFT EPSU, OPS CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY LIGHTS TEST FAILED, FAULTS AFT LEFT BATTERY. EPSU FAILURE. REPLACED AFT LEFT EPSU, OPS CHECKED NORMAL.