As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT GROUNDED - EMERGENCY LIGHTS STAY ON IN FIRST CLASS SEATS. SEAT 7D MANUALLY MOVED FORWARD AND WCU DISCONNECTED TO PRESERVE BATTERY INTEGRITY. WCU 23 FAULTS MSG 33-14023. FOUND RED CONNECTORS DISCONNECTED NEXT TO WCU 23 AT SEAT 7D. RECONNECTED RED CONNECTORS AS REQUIRED, RELOADED SOFTWARE, ALL TESTS PASSED.