# SDR ASAA2017051820824

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2017
- Submitted: May 22, 2017
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 34,526 hours, 10,474 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Condition: Malfunctioned
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017051820824

## Discrepancy

AUTOTHROTTLE WILL NOT ENGAGE.  ACFT GROUNDED.  PERFORMED AUTOTHROTTLE BITE IAW FIM 22-31, TASK 801. NO CURRENT FAULTS. INFLIGHT FAULTS FLT LEG 7 AND 8.    PERFORMED IAW FIM 22-32 TASK 819. ALL TESTS OK. NO HISTORY 90 DAYS.

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