As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1255, FLL-GYE. (AIRCRAFT PERFORMED AN AIR TURN BACK TO FLL) 'AIR ENG BLEED 2 FAULT CAUTION MSG DISPLAYED; FOUND THRM 7170HM2 LEAKING- REPLACED THERMOSTAT CONTROL 7170HM2 IAW AMM 36-11-43. THE OPS CHECK IS GOOD. NO LEAKS OR FAULTS WERE NOTED. A/C IS OK TO CONTINUE SERVICE.'