What was found
WHILE ON GROUND MAINTENANCE FOUND EMERGENCY LIGHTS INOP. REPLACED BATTERY PACK ASSY. SUSPECT BATTERIES DEAD, REASON UNKNOWN. OPS GOOD AFTER REMOVED AND REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE ON GROUND MAINTENANCE FOUND EMERGENCY LIGHTS INOP. REPLACED BATTERY PACK ASSY. SUSPECT BATTERIES DEAD, REASON UNKNOWN. OPS GOOD AFTER REMOVED AND REPLACED.