As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOTHROTTLES GO TO CLAMP IMMEDIATELY AFTER AUTOTHROTTLE WAS ENGAGED, INSTEAD OF AT APPROX. 60 KTS. AS A RESULT MUCH LOWER THAN FORCAST EPR IS SET AND THROTTLES MUST BE MANUALLY ADVANCED TO TAKEOFF THRUST. THE AIRCRAFT WAS GROUNDED. REPLACED AUTOTHROTTLE ACTUATOR IAW AMM 22-31-01. OPS TEST OK.