As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING T/C NG-28FCD-18090-1, FOUND THE F1 AND F3 TO BE OUT OF TOLERANCE. ACFT GROUNDED. F1 AND F3 PROBES REMOVED AND REPLACED IAW AMM 28-41-21. BOTH WERE WITHIN TOLERANCE. SYSTEM TESTED GOOD IAW AMM 28-41-00-730-801. COMPARISON CHECKED GOOD IAW AMM 28-41-00-720-801.