As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE EMERGENCY LIGHTS WERE FLICKERING AT THE L1 DOOR, COCKPIT OVERHEAD, AND OVERHEAD PANEL IN THE CABIN DURING FLIGHT. MAINTENANCE INSPECTED BATTERY PACK B5-123 AND B5-235 PER B717 WD 33-51-12. FOUND BATTERY PACK B5-235 WITH THE BATTERY CONNECTOR BROKEN. REPLACED THE BATTERY PACK B5-235 AS PER B717 AMM 33-51. OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT IS OK FOR SERVICE. (LP #7071548)