As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING "AFTER ENGINE CHANGE" TESTING - MULTIPLE FAULTS LOGGED DURING EEC BITE TEST AND ACUATOR TESTS. GROUNDED - YES. REMOVED AND REPLACED EEC ON #1 ENG REF AMM TASKS 73-21-60-000-801-F00 AND TASK 73-21-60-400-801-F00. PERFORMED FADEC SYSTEM TEST REF TASK 73-21-00-700-802-F00 NO FAULTS NOTED.