What was found
ATB- RETURNED FROM FLIGHT DUE TO RECEIVING ENGINE SYSTEM FAIL MESSAGES ON BOTH ENGINES. REPLACED CAPTAIN'S AND FIRST OFFICER'S MCDU, AND FCC 1 AND 2, AND GCP. (LP 8424202, 1647785 - AIRCRAFT WAS GROUNDED)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ATB- RETURNED FROM FLIGHT DUE TO RECEIVING ENGINE SYSTEM FAIL MESSAGES ON BOTH ENGINES. REPLACED CAPTAIN'S AND FIRST OFFICER'S MCDU, AND FCC 1 AND 2, AND GCP. (LP 8424202, 1647785 - AIRCRAFT WAS GROUNDED)