As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO GATE, NR 1 ITT INDICATION FLUCTUATES ERRATICALLY. OTHER INDICATIONS, INCLUDING FUEL FLOW ARE STABLE. MAINTENANCE REMOVED AND REPLACED ITT PROBE AT SEVEN O'CLOCK POSITION. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.