What was found
AFTER DEPARTURE SELECTED GEAR UP, AFTERWARD RECEIVED GEAR BAY OVERHEAT WARNING AURAL ON ED1 MSG, RAN QRH, MSG REMAINED, AND SOUNDED REPEATEDLY, RETURNED TO DEPARTURE. INS AND FOUND LOOP INSULATOR BRACKET MISSING RUBBER, INSULATION MIGRATED INBD, REPLACED FASTENER, MOVED INSULATOR TO PROPER POSITION AND RESECURED IAW AMM 26-10, OPS CHECK OK. (K)