As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER AFT BODY HEAT WARNING LIGHT CAME ON IN CLIMB. RAN LOWER AFT HEAT CHECKLIST. AFTER TURNING OFF NR 3 BLEED, LOWER AFT BODY HEAT LIGHT WENT OUT. TESTED SYSTEM, TEST OK. RETURNED TO MEM. FOUND ONE LOOP TOUCHING STRUCTURE. REPOSITIONED LOOP. RAN ENGINES AND OPS CHECKED SYSTEM. CHECKS OK. NO LEAKS NOTED. REPLACED LOOP M365 SECTION 48R. OPS AND LEAK CHECK OK.