# SDR ASAA2014120209840

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2014
- Submitted: December 6, 2014
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 26,169 hours, 8,069 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/ASAA2014120209840

## Discrepancy

AUTO THROTTLE WILL NOT STAY ARMED.  ACFT GROUNDED.  AUTOTHROTTLE CURRENT STATUS TEST PASSED.  RAN SERVO TEST NUMEROUS TIMES ALL PASSED REF MM 22-31-00.  REVIEWED FLT HISTORY, ASM 1 RATE MONITOR ONLY SHOWS ON FLT LEG 15 WITH NO OTHER OCCURRENCE, NO HISTORY PAST 30 DAYS.

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