As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTURE GEAR RETRACTION, NOTICED RIGHT MAIN GEAR A & B INDICATIONS REMAINED RED. COULD FEEL CONTINUOUS GRINDING/RATTLING THROUGH AIRFRAME. ELECTED TO EXTEND GEAR RESULTING IN A NORMAL GEAR DOWN INDICATION. RETURNED TO SLC. REPLACED RIGHT INBOARD GEAR DOOR SEQUENCE VALVE IAW MM 32-34-00. SWUNG GEAR SEVERAL TIMES. OPS CHECK GOOD. NO LEAKS NOTED AT SEQUENCE VALVE.