How to check number of packets dropped by the Service Area
Number of packets drop by service area with in a time
From the PCLI
#show stats service-area received dropped-packets
This will help in knowing the Number of packets dropped by the Service Area due to an error.
In order to check the time stamp for last 24hour or a specific time,
# show stats service-area received dropped-packets since <>
e.g.
# show stats service-area received dropped-packets since 1h