As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: SEAT MOUNTED EMERGANCY LIGHT ARE CONTINUOUSLY ILLIMATED AT SEAT ROW 4D-7D AND 4H-7. MAINTENANCE FOUND DISCONNECTED, RE-ATTACHED PLUG TO WELS UNIT AND EMERGENCY LIGHTS OPS TEST ACCOMPLISHED IAW B787-A-33-51-00-00C-320A-A.