# SDR ASAA2013092396041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2013
- Submitted: September 27, 2013
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 24,544 hours, 7,524 cycles
- 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: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013092396041

## Discrepancy

AUTOTHROTTLE WILL NOT STAY ENGAGED.  ACFT GROUNDED. ACCOMPLISHED AUTOTHROTTLE OPS TEST IAW MM 22-31-00, TEST PASSED.  NO HISTORY 90 DAYS.  FAULT REVIEW SHOWED 1 LEG WITH FAULTS, 22-31687 & 22-31675. ACCOMPLISHED AUTOTHROTTLE BITE TORQUE TEST, TEST PASSED.

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