As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO THROTTLE STICKY AND SPLIT BEYOND LIMIT CAUSING THE AUTO THROTTLES TO KICK OFF. TRIED MULTIPLE RESETS IN AIR. PROBLEM CONTINUED. MANUAL THROTTLES WORK FINE. EICAS MESSAGES AT FAULT AND AT FAIL. PLACED ON MEL 22-30-00 (B) . CLEARED 2/10/23 WITH REPLACEMENT OF THRUST CONTROL QUADRANT AND OPERATIONAL TESTS. AIRCRAFT REMAINS CATIII. CLEARED MEL 2-30-00 B DEFECT# 960561. MAINT CONTROL NOTIFIED. COCKPIT PLACARD READS CATIII DEFERAL PLACARD REMOVED. RETURNED TO SERVICE.