As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ALL CABIN EMERGENCY LIGHTS FLICKERED. *S/D* UNABLE TO DUPLICATE PROBLEM. REPLACED R600 AND R70 RELAYS AS PRECAUTIONARY. FOUND RT HAND OVERWING SLIDE LIGHT ON AFT CARGO DOOR PULSING. REPLACED BATTERY AND ALL EMERGENCY LIGHTS OPERATIONS CHECK NORMAL.