As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR TRANSIT LIGHT ON AND OFF AFTER TAKEOFF. DIVERTED TO RHI. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED LANDING GEAR CONTROL UNIT IAW SAAB AMM 31-31-05. OPS CHECK GOOD PN ON/OFF D494-12-001, SN ON 113/1-85, SN OFF 116/11-8.