# SDR ASAA1158732

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2011
- Submitted: January 10, 2011
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 11,162 hours, 3,473 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/ASAA1158732

## Discrepancy

AUTO THROTTLE INOP.  UNABLE TO DUPLICATE.  AUTOTHROTTLE OPS TEST GOOD.  ALSO ACCOMPLISHED AUTOTHROTTLE SERVO TEST SEVERAL TIMES.  NO FAULTS REF OPS AND SYSTEM TEST MM 22 31 00.  NO HISTORY LAST 30 DAYS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.