As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, THE RIGHT INTAKE LIGHT ILLUMINATED, IT APPEARED TO CYCLE IN OVER TEMP MODE. AIRCRAFT RETURNED TO DTW. MAINTENANCE SWITCHED TO SPARE THERMISTOR T1 TO T4 AND T3 TO T5. RAN AIRCRAFT FOR 25 MINUTES ALL IAW SAAB 340 MM CHECKS GOOD AT THIS TIME.