As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: 4L FLIGHT ATTENDANT JUMPSEAT FLASHLIGHT BATTERY IS DEAD. FLIGHT ATTENDANT REPORTS SOMEONE LIKELY USED IT AND INSTALLED BACKWARDS WHICH PREVENTED CHARGING. MAINTENANCE REPLACED THE BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 25-60-00.