What was found
ON TAKE OFF, RECEIVED A CONFIG WARNING, ABORTED TAKE OFF JUST AFTER TAKEOFF ROLL, BELOW 80 KTS. RETRIED TAKE OFF AFTER TAXI BACK AROUND. DID STANDING TAKEOFF, RECEIVED CONFIG TRIM WARNING, DID NOT MOVE FOR TAKEOFF. AIRCRAFT REMOVED FROM SERVICE. SECURED HSTCU IAW AMM 27-41-01 OPS CHECK DUE 357849-2 AFTER SECURING HSTCU DATA MATCHED. HSTCU OPS CHECKED GOOD & RECEIVED T/O CONFIG OK MESSAGE AND NO WARNING AT T/O POWER REF AMM 27-41 & SUPP 15-151A.