As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WORK ORDER 80673, NR00061: DURING FINAL WALK, SEVERAL EMERGENCY LIGHTS WERE FOUND INOP AT LH OVHD BINS AND LH FWD EMERGENCY EXIT. SUMMARY:TROUBLESHOOTING PROCEDURE WAS PERFORMED PER B737-800 FIM TASK 33-50 TASK 801 AND EMERGENCY LIGHTS BATTERY PACK M2335 WAS REPLACED PER B737-800 AMM 33-51-06-960-805. SATISFACTORY TEST.