What was found
RTO IN DEN DUE TO MASTER CAUTION LIGHT ILLUM AND AUTO PILOT DISCONNECT AT 80 KNOTS. NO FAIL NOTED, CREW TOOK THE ACTIVE AGAIN. RTO NR 2 AUTOTHROTTLE DID NOT ENGAGE WHEN TOGA WAS SELECTED. MAINTENANCE PERFORMED GROUND SCAN, SHOW NO FAULTS. AUTOTHROTTLE CK OK, NO FAULTS PER AMM 22-30-00. AFS/LAND TEST SHOW NO FAULT. RESET FMC'S, ALL SYS OK.