As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B777-33-3-7019 EMERGENCY LIGHTING CHECK FOUND DR3L M33405 SECOND DEEP-CYCLE CHECK FAIL TRANSFER REF HXWO 930493 AND ORIGINATED BY EMP V920583 EMERGENCY LIGHTING M33405 POWER SUPPLY BATTERY PACK REPLACED AND INSTALLATION TEST CARRIED OUT WITH NORMAL RESULT AS PER AMM33-51-06 WORK ACCOMPLISHED BY MECHANIC V920584 INSPECTED BY V898173 IDT INSPECTED BY HX195273 ADD EMP:V896958