# SDR ASAA2015050111590

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2015
- Submitted: May 4, 2015
- Operation: Air carrier
- Aircraft: [N534AS](https://openairdocs.org/aircraft/N534AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35202
- Aircraft time: 17,207 hours, 5,009 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/ASAA2015050111590

## Discrepancy

AUTOTHROTTLE KEEPS DISENGAGING.  ACFT GROUNDED.  ACCOMPLISHED FIM 22-31, TASK 801. NO CURRENT FAULTS OR INFLIGHT FAULTS GOING BACK 10 LEGS. ALL INTERACTIVE TESTS PASSED. NO HISTORY 90 DAYS.

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