What was found
DURING PERIODIC CHECK, RIGHT AND LEFT NACELLE EMERGENCY LIGHT BATTERY PACKS FAILED TEN MINUTE TEST. REPLACED BATTERY PACKS, OPERATIONAL CHECK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING PERIODIC CHECK, RIGHT AND LEFT NACELLE EMERGENCY LIGHT BATTERY PACKS FAILED TEN MINUTE TEST. REPLACED BATTERY PACKS, OPERATIONAL CHECK NORMAL.