As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OPS CHECKS OF EMERGENCY LIGHTS NOTED FWD 3 CEILING EMERGENCY LIGHTS AND BOTH FWD EGRESS LIGHTS ILLUMINATE FOR APPROX 10 SECONDS THEN FADE OUT. REPLACED BATTERY PACKS IN BOTH FWD POWER SUPPLIES (EPS1 AND EPS2) REF AMM 33-51-01-000-802 AND 33-51-01-400-802. OPS CHECK GOOD.