As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LT OPERATIONAL CHECK FOUND OHAR EMERGENCY LT BATTERY LOW CAPACITY, REF TO HAECO NON-ROUTINE NO. 9445973, SPEC NO.B777 -33-3-7031. PERFORMED BY EMP V905494 IDT BY TA687, OHAR EMERGENCY LIGHT BATTERY PACK REPLACED, INSTALLATION TEST PERFORMED FOUND RESULT NORMAL REF TO AMM 33-51-06-960-802 REV 92.