What was found
WHILE ON GROUND, MAINTENANCE FOUND EMERGENCY LIGHTS WON'T TEST. REMOVED AND REPLACED EMERGENCY LIGHTS BATTERY PACK, GROUND CHECKS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE ON GROUND, MAINTENANCE FOUND EMERGENCY LIGHTS WON'T TEST. REMOVED AND REPLACED EMERGENCY LIGHTS BATTERY PACK, GROUND CHECKS NORMAL.