. "Fluidic sensor diagnostic"@en . "A fluidic sensor diagnostic was a self-maintenance operation that Data had to perform from time to time. He ran a fluidic sensor operation on Stardate 44390.1 with the result that all systems were functioning within normal parameters. (TNG: \"Data's Day\" )"@en . "A fluidic sensor diagnostic was a self-maintenance operation that Data had to perform from time to time. He ran a fluidic sensor operation on Stardate 44390.1 with the result that all systems were functioning within normal parameters. (TNG: \"Data's Day\" )"@en . .