As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAXIING FOR TAKEOFF, ALL EMERGENCY LIGHTS STARTED FLICKERING. WHEN EMERGENCY SWITCH IN THE OFF POSITION, EMERGENCY LIGHTS SOMETIMES ON & SOMETIMES OFF. REMOVED NR 1 EMERGENCY BATTERY DUE TO LIGHTS FLICKER AND INSTALLED A REPAIRED ASSY IAW AMM 33-52-01. ALL CHECKS GOOD. REMOVED NR 2 EMERGENCY BATTERY DUE TO LIGHT FLICKER AND INSTALLED REPAIRED ASSY IAW AMM 33-52-01. ALL OPS CHECKED GOOD.