As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB-OUT, THE GEAR CAN NOT BE RETRACTED WITHOUT USING THE OVERRIDE SWITCH. AIRCRAFT LANDING IN DTW WITHOUT INCIDENT. MAINTENANCE REPLACED RELAY 6A-30 AND UNDERCARRIAGE SWITCH. ALL MAINTENANCE AND TESTS PERFORMED IAW AIR32-30-14. ALL CHECKS GOOD.