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 R4 DOOR AFT REMOVED EMERGENCY BATTERY PACK P/N AD-D717-01-100 S/N 65438 AND REPLACED WITH P/N AD-D717-01-100 S/N 204811 LOCATED ABOVE R4 DOOR AFT REF 777-200 AMM 33-51-06 REV 94 OPPS CHECK GOOD