As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO THROTTLES WILL NOT STAY ON, AND WILL NOT ENGAGE. ACFT GROUNDED. ACCOMPLISHED A/T BITE IAW FIM 22-31 TASK 801, CURRENT STATUS PAGE SHOWS MESSAGE 22-31541 FCC-A (J1A-J12). IAW FIM 22-32 TASK 810, REMOVED AND REPLACED FCC-A COMPUTER IAW AMM 22-11-33/401. FCC-A LRU REPLACEMENTS (DFCS/AT) TESTS PASSED WITHOUT FAULTS. A/T BITE CURRENT STATUS HAS NO FAULTS. A/T SERVO TESTED GOOD.