As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING WORK ON T/C 31-005-00 FOUND SMT ENG 1 C1 MAINTENANCE MSG 73-438501 ENGINE FAN INLET (T12) TEMPERATURE SENSOR AND CALCULATED ADIRU TEMPERATURE SIGNALS DO NOT AGREE. GROUNDED - YES. TROUBLESHOT IAW FIM TASK G73-21-00-810-937. PERFORMED INITIAL EVALUATION, OMF SHOWED NO MESSAGE IN EXISTING FAULTS. STEP B, (7) STATES THERE WAS AN INTERMITTENT FAULT. NO DEFECTS NOTED.