As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REFER NR L/P 9466023 - SPEC NO.B777-33-3-7019 - EMERGENCY POWER PACK CAPACITY TEST L3 FWD EMERGENCY LIGHTS CEILING DIM AFTER 8MI N. THE L3 FWD EMERGENCY LIGHT POWER PACK WAS REPLACED AND C/O LIGHT TEST FND NORM REF AMM 33-51-06-960-803 REV 84