As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF HIT TOGA THROTTLES STARTED TO COME UP NR 2, NR 1 THEN AUTOTHROTTLE DISCONNECTED. AFTER TAKEOFF WE TRIED TO CONNECT THROTTLES TWICE MORE. NOT SUCCESSFUL. LEFT A/T OFF REMAINDER OF FLIGHT. ACFT GROUNDED. R & R NR 2 ASM AND OPS TEST GOOD, IAW AMM 22-31-91.