# SDR ASAA1159624

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2011
- Submitted: May 11, 2011
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 8,801 hours, 2,707 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Unknown
- Condition: Malfunctioned
- Location: Autothrottle Sys
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1159624

## Discrepancy

AUTOTHROTTLE WILL NOT REMAIN ENGAGED MORE THEN 1 2 SECONDS.  FLIGHT FAULT REVIEW SHOWED ASM 2 DISCONNECTED 3X ON 1 FLIGHT LEG.  RAN AUTOTHROTTLE OPS TEST AND SERVO MOTOR TEST SEVERAL TIMES NO DISCREPANCIES REF MM 22 31 00.  NO HISTORY LAST 30 DAYS.

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