As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO THROTTLES INOP. GROUNDED - YES. ACCOMPLISHED AUTOTHROTTLE BITE PER B737-800 FIM 22-31 TASK 801, CURRENT STATUS HAS NO FAULTS . IN FAULT HISTORY LEG 5 HAS FAULT MSG 22-31543 "A/T ENG 28 VDC INV" ACCOMPLISHED FIM 22-31 TASK 830 INITIAL EVALUATION NO CURRENT FAULTS NOTED.