As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT NR 3845 REPORTED NOSE DOOR CAUTION LIGHT REMAINING ILLUMINATED WITH A NOISE COMING FROM NOSE AREA AFTER GEAR RETRACTION. THE GEAR WAS CYCLED IAW CHECKLIST AND THE LIGHT EXTINGUISHED AND THEN ILLUMINATED AGAIN. FLIGHT RETURNED. MAINTENANCE REMOVED AND REPLACED NOSE GEAR DOOR ACTUATOR AND INSPECTED THE ASSOCIATED NOSE GEAR DOOR SENSORS. OPERATIONAL CHECKS AND LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.