# SDR ASAA2016062017097

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2016
- Submitted: June 22, 2016
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 37,850 hours, 11,435 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Servo
- Part number: 305RAA1
- Part serial: AS05891
- Condition: Failed
- Location: Autothrottle Sys
- Part time: 25,545 hours, 8,013 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016062017097

## Discrepancy

AUTOTHROTTLES WILL NOT STAY ENGAGED, TRIED ON TAKEOFF AND AGAIN DURING CLIMB.  ACFT GROUNDED.  R & R ASM-1 IAW AMM 22-31-91, OPS NORMAL. PERFORMED A/T SYSTEM, OPS TEST IAW AMM 22-31-00, OPS NORMAL.  ETOPS GROUND VERIFICATION SUCCESSFUL.

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