As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAT INDICATOR INTERMITTANT. INDICATOR FAILED ON CLIMBOUT WITH OFF FLAG CYCLING FOR 30 SEC. THEN FAILED WITH SOLID OFF FLAG FOR 60 MIN. INDICATOR CAME BACK ON DURING APPROACH. REMOVED AND REPLACED TAT INDICATOR & OPS CHECKED PER 727-200 MM 34-13-000-5. ALL INDICATIONS NORMAL.