As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO THROTTLE DISCONNECTED WHEN TOGA PRESSED ON TAKEOFF ROLL. LEFT THROTTLE ADVANCED RIGHT THROTTLE DID NOT. REMOVED A/T SERVO MOTOR NR 2. REMOVED A/T SERVO MOTOR NR 1 & INSTALLED IN NR 2 POSITION IAW MM 22 31 91. OPS TESTS PASS PER MM 22 31 91. INSTALLED NR 1 ASM WITH NEW PART REF MM 22 31 91. OPS TEST NORMAL REF MM 22 31 91.