As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT CAPACITY TEST FND 3R-4R FLOOR, AND CEILING EMERGENCY LIGHT ILLUMINATE TIME LESS THAN 15 MIN SPEC NR B777-33-3-7019 REF NON-ROUTINE NR 9483892. R4 DOOR REPLACED EMERGENCY LIGHT POWER SUPPLY CHARGER AND PERFORMED THE TEST, THE RESULT FOUND NORMAL REF A MM 33-51-06-960-803 REV 86.