As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING WHEN LANDING GEAR WAS EXTENDED FOR LANDING THE HYDRAULIC LIGHT WENT ON AND 2 GREEN LIGHTS CAME ON. QRH PROCEDURES USED TO EXTEND GEAR. LANDING WITHOUT INCIDENT. MAINTENANCE REPLACED RIGHT MAIN LANDING GEAR RETRACT ACTUATOR. ALL IAW SAAB AMM CH 32. ALL CHECKS GOOD.