As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B777-33-3-7031 DR 2L M33096 EMER LIGHT PWR SUPPLY BATTERY PACK CAPACITY CHECK FAIL. TRANSFER REF. NON-ROUTINE LP 9131470 AND ORIGINATED BY EMP V898181. DR 2L M33096 EMER LIGHT PWR SUPPLY CHARGER REPLACED AND TESTED NORMAL AS PER AMM 33-51-06. WORK ACCOMPLISHED BY MECHANIC V898181 INSPECTED BY V896958. ADD EMP:V896958