As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT OVERHEAD EMERGENCY LIGHTS IN CABIN ILLUMINATED. THE FIRST TIME THE LIGHTS STAYED ON FOR 5 MINUTES. THE SECOND TIME THEY STAYED ON FOR TWO MINUTES. REMOVED FAULTY FORWARD EMERGENCY LIGHT BATTERY. REMOVED FAULTY REAR EMERGENCY LIGHT BATTERY. INSTALLED REPAIRED FORWARD EMERGENCY LIGHT BATTERY IAW AMM 33-52-01-400-801-A. PERFORMED EMERGENCY BATTERY OPS TEST AMM 33-52-01-710-801-A. OPS CHKD GOOD. NO FAULTS NOTED.