As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING MAINTENANCE INSPECTION, DISCOVERED THE NR 1 ENGINE WOULD SPOOL UNCOMMANDED WHEN ELECTRICAL POWER WAS CONNECTED. MAINTENANCE REMOVED AND REPLACED THE NR 1 POWER SUPPLY PANEL IAW BEECH 1900 MM 24-30-00, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (X)