As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EEMS(ELECTRONIC ENGINE MANAGEMENT SCREEN) FROZE ON START AT 12% NG, SCREENS GO INTO REVERSONARY MODE (FAILURE MODE) AND WILL NOT COME OUT OR FUNCTION. THIS CONTINUES ON SUBSEQUENT START ATTEMPTS. SYSTEM OPERATING SYSTEM MUST BE REFORMATTED AND LOADED MANUALLY BY MAINTENANCE TO BRING SCREENS ONLINE, PROCEDURES ARE NOT IN ICA FOR THIS TASK AND MUST BE CARRIED OUT ON THE PHONE WITH TECH REPRESENTATIVES EACH TIME A FAILURE OCCURS.