As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 627 - PIT - TEN MINUTES AFTER LEVEL OFF (31,000) IN CRUISE THERE WAS A (4) KNOB THROTTLE SPLIT. ENGINE 1 WAS BEHIND ENGINE 2. PMCS WERE TURNED OFF. THE SPLIT REMAINED. ALL OTHER INDICATIONS WERE NORMAL. MAINTENANCE ACCOMPLISHED MEC ADJUSTMENT OF NR 1 ENGINE IAW MM 71-00-00 TEST 6. ACCOMPLISHED PART POWER TRIM RUN AND TAKEOFF RUN. NO THROTTLE SPLIT NOTED. RIG CHECK NORMAL. (M)