As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MLG BAY OVHT WARNING AFTER TAKEOFF AND INITIATING GEAR RETRACTION. MESSAGE WENT AWAY ABOUT 2 MINS LATER. DECLARED EMERGENCY AS A PRECAUTION AND LANDED NORMALLY. NO FURTHER WARNINGS. (FLT 4452) 06/14/2018 CLOSED RESECURED RT MLG BAY OVERHEAT LOOP MOUNTING NUT. OPS CHECK GOOD IAW AMM.