As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TRANSIT CHECK, CAPTAIN REPORTED A DIFFERENCE BETWEEN THROTTLES OF 1.5 INCHES. AUTOTHROTTLE SERVO UNIT WAS REPLACED IAW MM 22-31-01. TRIMMING WAS PERFORMED IAW MPCM 71-00-01 AND AUTOTHROTTLE CLUTCH DRUMS SERVICE WAS PERFORMED IAW MM 76-11-04, TEST CORRECT.