As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER AFT BODY OVERHEAT LIGHT ON IN CRUISE FLIGHT (35,000) OVERHEAT SELECTOR SWITCH UTILIZED = KEELBEAM LIGHT STAYED ON. COMPLETED QRH PROCEDURE. RIGHT PACK AND NR 3 BLEED CLOSED. LIGHT EXTINGUISHED. REMOVED AND REPLACED KEELBEAM LOOP PER MM 26-14-001-2. OPS CK NORMAL, NO LEAKS NOTED IN AREA. PART- KEEL BEAM LOOP P/N 35548-4-255.