As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L ENG SEC CONT STATUS MESSAGE. CHECKED FOR EPCS MESSAGES LISTED ON MM CHAPTER 71 EICAS AND EPCS MESSAGES SERVICE TIP, NO MESSAGES FOUND. ERASED STATUS MESSAGE. PUT EEC SWITCH ON P61 PANEL TO SEC POSITION, NO MESSAGES APPEARED. ACFT OK FOR SERVICE.