What was found
THE TAI ICON KEEPS GOING ON AND OFF, BOTH IN CRUISE AND ON DESCENT. GROUNDED - YES. REMOVED AND REPLACED #1 ENG TAI VALVE REF B737-800 AMM 30-21-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE TAI ICON KEEPS GOING ON AND OFF, BOTH IN CRUISE AND ON DESCENT. GROUNDED - YES. REMOVED AND REPLACED #1 ENG TAI VALVE REF B737-800 AMM 30-21-11.