What was found
AFTER GEAR RETRACTION, AUTO THROTTLE SYSTEM COMMANDED #1 ENGINE TO REDUCE POWER BY 3-5% OF SELECTED FLX TRP VALUE. THE #1 THROTTLE WAS SPLIT BY A KNOB WIDTH FROM THE #2 THROTTLE. TRP FLX VALUE REMAIN UNCHANGED FROM BEING SET ON THE GROUND.ONCE THE THROTTLES WERE MATCHED UP, AUTO THROTTLE SYSTEM WORKED NORMALLY FOR THE REMAINDER OF FLIGHT. PERFORMED SATISFACTORY AFS LAND TEST AND GROUND SCAN REVEALED NO FAULTS, A300 MM 22-40-00-5. 5 PREVIOUS WRITEUPS IN 90 DAY HISTORY WITH NO OCCURRENCES SINCE 06JUN21. ENG 1 COUPLING UNIT 3CJ1 HAS BEEN SUSPECTED IN HISTORY AND RECOMMENDED ON A MTSI. ORDERING SAME, OK TO CONTINUE ON MEL. REF WRI 22-30/0733. REPLACED THRUST CONTROL COMPUTER IAW A300-600 AMM 22-36-34-04-01. REPLACED FAC/ATS PANEL IAW AMM 22-25-12-4. PERFORMED ADJ/TEST OF AUTOTHROTTLE PER AMM 22-30-00-05-01. ACCOMPLISHED AFS/LAND TEST IAW A300-600 AMM 22-40-00-05. NO FAULTS, ALL TESTS PASSED.