What was found
SEVERAL MINUTES AFTER TAKEOFF ON FLIGHT 3076, THE OAT ANNUNCIATOR ILLUMINATED. RAN QRH, BUT OAT WAS STILL INOP. AIR RETURN TO DTW. MAINTENANCE REMOVED AND REPLACED TAT PROBE. ALL CHECKS GOOD IAW SF 340 MM CHS 30, 34.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SEVERAL MINUTES AFTER TAKEOFF ON FLIGHT 3076, THE OAT ANNUNCIATOR ILLUMINATED. RAN QRH, BUT OAT WAS STILL INOP. AIR RETURN TO DTW. MAINTENANCE REMOVED AND REPLACED TAT PROBE. ALL CHECKS GOOD IAW SF 340 MM CHS 30, 34.