As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - AFT TAIL CONE EMERGENCY LIGHT AND OVERHEAD EMERGENCY AISLE PATH LIGHT INOPERATIVE. REPLACED TWO EACH BATTERY PACKS ABOVE RIGHT HAND AFT LAV FOR TAIL CONE EMERGENCY LIGHT AND OVERHEAD EMERGENCY AISLE PATH LIGHT. SYSTEM GROUND CHECKED NORMAL OPERATION.