As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING POWER UP EMERGENCY LIGHTS COME ON WHEN BATT NR 1 IS SELECTED FIRST. C/A-REMOVED AND REPLACED SPDA 1 DISCRETE I/O MODULE IN SLOT 11 AND POWERED PLANE AND PERFORMED EMERGENCY LIGHTING OPS CHECK IAW AMM 24-61-05 AND 33-50-00 AND 24-42-02 OPS CHECK AND PLANE OEPRATION GOOD SEE TURNOVER FOR DETAILS.