As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMER LT TEST FND R/H NO.2 DR EXIT SIGN AND FWD EXIT IDENTIFIER N OT ON REFER NON-ROUTINE NO.9407039 - ORIGINATED SPEC NO.B777-33-3-7030. PERFORMED REPLACED THE POWER PACK AND PERFORMED INSTALLATIONAL TEST, THE TEST RESULT NORMAL REF AMM 33-51-06-960 -802 REV.88 & AMM 33-51-06-960-803 REV.88, P/N OFF:ADD717-01-100 S/N OFF:65588, P/N ON:ADD717-01-100, S/N ON:241422.