More data for wrong Vnav Path Descent

Hi everyone,

last days i made some test flights and today a also made 2 flights during
Hellenic Fly-in, so i always had the same problem with Vnav path descent
and
auto throttle.

At the Top of Descent i had dial already a lower alitude and the aircraft
normaly started the descent. I had in PFD announciators the announces:
1. Retard
2. then ARM

After some seconds, when from PMSound i was hearing the "descent" voice, i
saw in EICAS the CRZ mode and in PFD the ARM was replaced form FMC SPD. The
aircraft of course it was descending.

Enrico, i hope that these data will help you to solve the problem.

Regards


Eddie