As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OBSERVE WHITE "A/T LIMIT" ILLUMINATE FOR APROX 5-10 SECONDS IN CLIMB PASSING THROUGH APPROXIMATELY 15,000 FT. IT THEN REVERTED BACK TO SCREEN "CLN" ON ENGINE DISPLAY. FIRST OFFICER SIDE WAS "MASTER" ON MCP PANEL. GROUNDED - YES. PERFORMED AUTO THROTTLE BITE REF B737-900 FIM 22-31 TASK 801. TEST PASSED & NO DEFECTS NOTED. OPS CHECK GOOD, GROUND VERIFICATION GOOD. A/C OK FOR SERVICE.