As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMER LIGHTS FLASHING WHEN SWITCH IS IN ARM POSITION. TROUBLESHOT CABIN EMERGENCY LIGHTS AND FOUND #2 EMERGENCY BATTERY FAILS TEST. REPLACED FORWARD AND AFT EMERGENCY BATTERIES (FORWARD REPLACED AT CUSTOMER REQUESD REFERENCE AMM 33-52-01. OPERATIONAL CHECK SATISFACTORY.