As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTURE FROM ANCHORAGE, THE LANDING GEAR INTRANSIT LIGHT REMAINED ON AFTER SELECTING GEAR UP. THE FLIGHT CREW RETURNED FOR AN UNEVENTFUL LANDING IN ANCHORAGE. MAINT COULD NOT DUPLICATED THE DISCREPANCY WITH THE AIRCRAFT ON JACKS. MAINT CLEANED SYSTEM CONNECTOR PINS AND A SUCCESSFUL OPERATION CHECK FLIGHT WAS PERFORMED.