What was found
AIRCRAFT WAS NOT GROUNDED. DURING OPERATIONAL TEST FOR EMERGENCY LIGHTS, FOUND BATTERY PACK (12WL) FAULT. REPLACED BATTERY (12WL) PER AMM 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED. DURING OPERATIONAL TEST FOR EMERGENCY LIGHTS, FOUND BATTERY PACK (12WL) FAULT. REPLACED BATTERY (12WL) PER AMM 33-51-38.