As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEN BY NRC: DURING THE SLIDE RE-ACTIVATION ON THE R1 DOOR THE EP AS GREEN LIGHT DID NOT LIGHT UP WHEN WE TOOK THE ARM/DISARM SWIT CH TO THE ARM POSITION REMOVED AND REPLACED EPAS BATTERY PACK AT R1 DOOR, OPS CHECK GOO D IAW B777 52-11-20 (ALL MAINTENANCE PERFORMED ON VTSAA N/R 1012 16) ROTABLE PARTS CHANGE WAS INDICATED - TT # 1619683 SN OFF 3182 BATTERY, ASSY, OFF 26-5211-9-9003 3182 ON 26-5211-9-9003 5809