As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO THROTTLE SWITCH WILL NOT ENGAGE. ACFT GROUNDED. PERFORMED AUTOTHROTTLE SERVO TEST NUMEROUS TIME IAW AMM REF 22-31-00-710-802, PASSES EVERY TIME. CURRENT STATUS SHOWS NO FAULTS. THE LEG SHOWING 75 FAULTS INDICATES ALL FAULTS WERE ON GROUND, PILOT DEFECT REPORT DID NOT INDICATE ANY OTHER SYS OR CONFIGURATION OF ACFT. NO HISTORY LAST 30 DAYS.