As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B777-33-3-7019 DR R5 EMER LIGHT BATTERY PACK M33409 TEST FAIL. TRANSFER REF. NON-ROUTINE HX NRC WO.1156371 AND ORIGINATED BY EMP V898181. DR R5 EMER LIGHT BATTERY PACK M33409 REPLACED AND TESTED NORMAL AS PER AMM 33-51-06 AND ATTACH FORM 44-0008 ITEM 1 TO 2 ACCOMPLISHED. WORK ACCOMPLISHED BY MECHANIC V898181 INSPECTED BY V896958. IDT INSPECTED OKAY BY HX136003. ADD EMP:V897810