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 ENGAGED FOR MORE THAN ABOUT 5 SECONDS. SAME RESULT WITH AUTOPILOT ON OR OFF A OR B SELECTED. ALL OTHER SYSTEMS AND INDICATIONS ARE NORMAL. BITE LOGGED MSG 22 31688 NR 2 ASM RATE MONITOR FAULT LAST LEG ONLY. ACCOMPLISHED CURRENT STATUS TEST REF MM 22 31 00, NO FAULTS SERVO MOTOR TEST PASSED REF MM 22 31 00. SYSTEM TEST. NO HISTORY PAST 90 DAYS. ACCOMPLISHED ALL A/T LWMP CHECKS REF LWMP CHECKLIST MM 22 00 01 NO FAULTS.