As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: REJECTED TAKEOFF AT 80KTS. CAUTION ADVISORY FLEX NOT SET AFTER VERIFYING THRUST WERE IN FLEX DETENT. INTINALLY THRUST LEVERS NR 1 WOULD NOT SEAT IN FLEX - MTC DETENT. ACCOMPLISHED AMM 22-30-00-710-003-A, NO FAULTS NOTED, ACCOMPLISHED SUCCESSFUL AUTOLAND CAPABILITY TEST IAW AMM 22-97-00-710-001-A