# SDR CA190620009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Airbus BD-500-1A11
- Registry model: [Airbus BD-500-1A11](https://openairdocs.org/model/airbus-canada-lp-bd-500-1a11) (OpenAirDocs)
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Condition: Malfunctioned
- Stage of operation: NR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA190620009

## Discrepancy

(CAN) DURING CRUISE AT APPROXIMATELY FL330, THE EICAS TRIGGERED AN A/T FAIL ADVISORY, TOGETHER WITH THE A/T DISCONNECT INFORMATION AUDIO ALERT  AT, AT, AT . ALSO ON THE HSI (FMS MESSAGE LINE) A YELLOW MESSAGE WAS POSTED `INVALID SPEED USE MANUAL`. WE CONFIRMED THE A/T AURAL INFORMATION, SELECTED MAN SPEED AND REENGAGED THE A/T. THE FMS SPEED REFERENCE ON THE PFD SHOWED THREE - - - (DASHES) (TC# 20190620009)

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