# SDR ASAA0957007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2009
- Submitted: November 16, 2009
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 8,437 hours, 2,538 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Condition: Warning Message
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0957007

## Discrepancy

AUTO THROTTLE WILL NOT STAY ENGAGED GROUNDED YES.  A/T FFR SHOWS (ONLY 1 LEG) MSG NR 22-31688 ASM 2 FAULTS TOGETHER WITH NUMEROUS CREW OPS ERROR MSG NR 22 31680.  CHECKED REST OF ALL A/T 40 LEGS NO FAULTS.  NO FAULTS ON DFCS FFR.  ACCOMPLISHED FIM 22-31 TASK 805 AND MM 22-31-00 SERVO MOTOR TESTS INTERACTIVE TESTS TORQUE TESTS AND THROTTLE TESTS ALL PASS.

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