What was found
CABIN EMERGENCY LIGHTING CHECK FAILED. REPLACED AFT EMERGENCY POWER SUPPLY UNIT AND ACCOMPLISHED EMERGENCY LIGHT TEST, CHECKED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN EMERGENCY LIGHTING CHECK FAILED. REPLACED AFT EMERGENCY POWER SUPPLY UNIT AND ACCOMPLISHED EMERGENCY LIGHT TEST, CHECKED NORMAL.