As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING EMERGENCY FLASHLIGHT BATTERY INSPECTION WAS FOUND 02 BATTERY THAT NOT WORK PROPERLY AT POSITIONS F/A SEAT FWD DOOR L1 AND F/A SEAT DOOR 4R. PERFORMED REPLACEMENT OF FLASHLIGHT BATTERY AT POSITIONS F/A SEAT FWD DOOR L1 AND F/A SEAT DOOR R4 AS REF DMC-B787-A-25-64-00-00B-921A-A. ITEM GOOD FOR FLIGHT.