As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 3008/3130, OUT OF MKG, THIS A/C DID AN AIR TURNBACK INTO MKG BECAUSE THE INTRANSIT LIGHT REMAINED ON AFTER TAKEOFF. OUTSTATION MAINTENANCE FOUND THE GEAR AND SWITCH WERE COVERED IN ICE. MAINTENANCE CLEANED OFF ICE AND CONDUCTED TEST FLIGHT 3130 TO VERIFY REPAIR. NO FURTHER PROBLEMS.