As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI FLIGHT NR 2339: AFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT. PERFORMED EMERGENCY CHECKLIST. BURNED OFF 1300 LBS OF FUEL AND LANDED AT 61,300 LBS. MAINTENANCE REMOVED AND REPLACED NR 2 WOW HARNESS ON NLG IAW Q400 AMM 32-21-11- PG 401-420 AND QX EA 6-32-355. NO OTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.