As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OPS TEST OF THE EMERGENCY LIGHTS, FOUND THE EXIT LIGHTS TO GO DIM IN 5 SECONDS. FOUND ALL EPSU BATTERYS LOW AMPS, R & R SERVICABLE EPSU BATTERY PACK IAW AMM 33-51-17-000-801 AND 33-51-17-400-801. PERFORMED OPS TEST OF THE EMERGENCY POWER SUPPLY UNIT IAW AMM 33-51-17-710-801. OPS CHECKED GOOD.