As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, EXPERIENCED MULTIPLE WARNINGS FOR UNSAFE RT MAIN GEAR. ALTITUDE WARNING HORN SOUNDED AT 2000 FT, INADDITION TO WINDSHEAR LIGHT AND STICK SHAKER (NO SHEAR NOTED). AIRCRAFT RETURNED TO MSY AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED LANDING GEAR ACCY UNIT.