As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG NR 1 STRUT OVERHEAT LIGHT ILLUMINATED IN CLIMB PASSING FL 250. COMPLETED WITH POM PROCEDURES, LIGHT REMAINED EXTINGUISH WITH THROTTLE AT IDLE. NR 1 BLEED SWITCH HAS NO EFFECT. DIVERTED TO DFW. FOUND HI STAGE PNEUMATIC -Y- DUCT IN PYLON RUPTURED. REPLACED SAME, ALSO REPLACED NR 1 ENG BLEED S/O VALVE AS PRECAUTIONARY. RAN ENG LEAK CKS GOOD.