As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING EMERGENCY LIGHT BATTERY TEST FOUND EMERGENCY EXIT LIGHT FOOT LEVEL ABOVE R1 DOOR TO BE INOP. FOUND #1 EMERGENCY LIGHT POWER UNIT TO BE FAULTY. REMOVED AND REPLACED NR 1 EMERGENCY LIGHT POWER UNIT IAW AMM 33-50-01. OPS CHECK GOOD, NO FURTHER MX REQUIRED.