As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MX CHECK FLIGHT, LANDING GEAR WOULD NOT EXTEND. VERIFIED CIRCUIT BREAKERS WERE NOT OPEN. EXTENDED LANDING GEAR WITH EMERGENCY BLOW DOWN PROCEDURES. MX TROUBLESHOT SYS AND FOUND LANDING GEAR CONTROL PANEL DEFECTIVE. REPLACED PANEL WITH SERVICEABLE ASSY SYS TEST NORMAL. PERFORMED REQUIRED MX AFTER BLOWDOWN AND RETURNED ACFT TO SERVICE.