As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DECK & MAIN ENTRY EMERGENCY LIGHTING DID NOT TEST PROPERLY. DURING S/O STBY CHECK LIGHTS CAME ON FOR APPROX 3 SECONDS AND DIMMED & WENT OUT. (B.P.B) REPLACED EMERGENCY LIGHT BATTERIES FOR CABIN AND L1 EXITS IAW SMP FOR 33-50-101-2-0. SDR ENTERED IN ERROR- PLEASE DELETE.