As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE LANDING GEAR DOOR OPEN LIGHT REMAINED ILLUMINATED AFTER LANDING GEAR RETRACTION. CREW RECYCLED THE LANDING GEAR AND THE LIGHT REMAINED ILLUMINATED. THE AIRCRAFT CONTINUED TO DTW AND LANDED WITHOUT INCIDENT. FOUND THE RIGHT MAIN LANDING GEAR DOOR STRIKER BOLT NOT MAKING CONTACT WITH THE DOOR SWITCH. REPLACED AND ADJUSTED BOLT, OPERATIONAL CHECK OK.