# SDR ASAA2020101633362

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2020
- Submitted: October 19, 2020
- Operation: Air carrier
- Aircraft: [N584AS](https://openairdocs.org/aircraft/N584AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35682
- Aircraft time: 48,575 hours, 14,431 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/ASAA2020101633362

## Discrepancy

AUTOTHROTTLE WON'T ENGAGE.  GROUNDED-YES.  PERFORMED AUTOTHROTTLE BITE, PER B737-800 FIM 22-31 TASK 801.  NO CURRENT FAULTS.  FOUND FAULT CODE 22-31543.  PERFORMED FIM 22-31 TASK 830 WITH NO FAULTS.  PERFORMED AUTOTHROTTLE SYSTEM TEST, PER B737-800 AMM 22-31-00-710-802 WITH NO FAULTS.

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