As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT ON FLIGHT 3199, ON GEAR DOWN SELECTION IN TRANSIT LIGHT ON GOOD PRESSURE AND VOLUME. NO GREEN LIGHTS HYDRAULIC PUMP STILL ON GO AROUND DURING QRH NOTICED LANDING GEAR CONTROL C/B POPPED RESET PER MAINTENANCE GEAR SELECTED DOWN NORMAL LANDING. MAINTENANCE REMOVED AND REPLACED LANDING GEAR CONTROL VALVE PN HP848430-621 SN/ON 1119, SN/OFF 0011 IAW SAAB AMM 32-31-15-4 ALL CHECKS GOOD REFER 409 195532 FOR DETAIL.