As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH THE EMERGENCY LIGHT SWITCH IN THE ARM POSITION THE CABIN EMERGENCY LIGHTING BLINKS ON AND OFF. REMOVED AND REPLACED FORWARD AND AFT BATTERIES WITH REPAIRED UNITS AND COMPILED WITH DEPLETE AND FULL CHARGE PROCEDURE IAW AMM 33-52-01, OPS CHECK GOOD