As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B777-33-3-7031 EMER LT BATTERY PACK M33408 CHARGE FOUND INOP TRANSFER REF. WO 560674 AND ORIGINATED BY EMP V926996 EMER LT BATTERY PACK M33408 CHARGER REPLACED AND INSTALLATION TEST CARRIED OUT NORMAL IAW AMM 33-51-06.FORM 44-0008 ITEM 1 TO 2 ACCOMPLISHED