What was found
AIRCRAFT WAS GROUNDED: ALTITUDE AND AIRSPEED DISAGREE MESSAGES AT FL380, BOTH SELF-CORRECTED ON DESCENT. REPLACED TOTAL AIR TEMPERATURE PROBE WITH NEW IAW AMM 34-21-06, OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: ALTITUDE AND AIRSPEED DISAGREE MESSAGES AT FL380, BOTH SELF-CORRECTED ON DESCENT. REPLACED TOTAL AIR TEMPERATURE PROBE WITH NEW IAW AMM 34-21-06, OPS CHECK GOOD.