As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY BATTERY PACK DID NOT HOLD CHARGE LOCATED ABOVE R3 DOOR AFT REMOVED EMERGENCY BATTERY PACK P/N AD-D717-01-100 S/N 145440 AND REPLACED WITH P/N AD-D717-01-100 S/N 273049 LOCATED ABOVE R3 DOOR AFT REF 777-200 AMM 33-51-06 REV 94 OPPS CHECK GOOD