As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLE WILL NOT STAY ENGAGED. IT ENGAGES FOR 3-4 SECONDS, THEN DISENGAGES. NUMEROUS ASM NR 1 FAULTS LOGGED. SERVO MOTOR TEST FAILED NR 1, ASM MSG 22-31794. R & R NR 1 ASM REF MM 22-31-91, OPS CHECKED NORMAL. ACFT REMAINS CATIIIA AUTOLAND & HGS, VERIFIED STATUS SCREW POSITION.