As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DTW - FLT 566 - ON T/O, TAIL COMPARTMENT TEMP HIGH LIGHT ILLUMINATED. AMBIENT TEMP WAS 68 DEGREES F, AND APU HAD BEEN OFF FOR 10 MINUTES. SUSPECT BLEED AIR LEAK. REMOVED AND REPLACED TAIL COMPARTMENT TEMP SENSORS. OPS CHECK NORMAL IAW MM CHAPTER 36-20-2. (M)