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 R4 EMER LT BATTERY M33408 TEST FAILED TRANSFER REF NON - ROUTINE WO.1563384 AND ORIG BY V898181 DR R4 EMER LT BATTERY M33408 REPLACED AND TESTED NORMAL AS PER AMM33-51-06 WORK ACCOMP BY MECH V898181 AND INSP BY V896992 IDT APPROVED BY HX085549