As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 678 - DTW - AUTOTHROTTLES, LEFT THROTTLE DID NOT RETARD FROM CLIMB POWER SETTING TO CRUISE POWER SETTING TWICE DURING CLIMB-OUT. WORKED FINE DURING REST OF FLIGHT. SERVICED AUTO THROTTLE CLUTCH ASSY IAW MD80 MM CH 76-11-04, SYSTEM OPS CHECK GOOD. (M)