As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER SELECTING GEAR UP, INBD ANTI-SKID AND PARKING BRAKE SOV MESSAGES, GEAR STAYED DOWN, AFTER APPROXIMATELY 60 SECONDS MESSAGES EXTINGUISHED AND GEAR RETRACTED. REMOVED AND REPLACED THE LANDING GEAR CONTROL HANDLE IAW AMM. PERFORMED AN OPS CHECK OF LANDING GEAR, OPS CHECKED GOOD . PERFORMED OPS CHECK OF THE PARKING BRAKE SOV IAW AMM. OPS CHECKED GOOD. PERFORMED OPS CHECK OF ANTI-SKID CONTROL UNIT. OPS CHECKED GOOD.