As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE ADAPTER HEATER 1 CAUTION, CIRCUT BREAKER TRIPPED. DIVERTED, AND ACCOMPLISHED A UNEVENTFUL LANDING. REMOVED NR 1 ENGINE INTAKE ADAPTER HEATER IAW THE TASK 30-21-15-000-801, AND INSTALLED SERVICEABLE INTAKE ADAPTER HEATER ONTO THE NR 1 ENGINE IAW THE AMM TASK 30-21-15-400-801, OPS CHECKED GOOD. RETURNED TO SERVICE.