As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER AFT BODY LIGHT ILLUMINATED DURING CLIMB AT 15000 FT. PERFORMED ABNORMAL PROCEDURE. UPON REDUCING THRUST ON NR 1 ENGINE, LIGHT EXTINGUISHED. RETURNED TO CVG. R&R OVERHEAT DETECTION SENSING ELEMENT WITH SERVICEABLE UNIT IAW B MM 26-14-1.