What was found
DURING PREFLIGHT WHEN GROUND POWER TO BATTERY, EMERGENCY LIGHTS DID NOT WORK. REPLACED EMERGENCY BATTERY PACK PER MM 33-50-02-2. CK'S NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING PREFLIGHT WHEN GROUND POWER TO BATTERY, EMERGENCY LIGHTS DID NOT WORK. REPLACED EMERGENCY BATTERY PACK PER MM 33-50-02-2. CK'S NORMAL.