As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AMBER FI STOP OPEN LIGHT ILLUMINATED IN FLIGHT AFTER GEAR RETRACTION. AIR TURNBACK TO MSP. MAINTENANCE REMOVED AND REPLACED LT DOWNLOCK SWITCH PER SAAB AMM 32-61-05. (P/N AIR130902), OPS CHECKS GOOD. COMPLETED SEVERAL GEAR SWINGS ALL CHECK GOOD.