# SDR ASAA0954327

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2009
- Submitted: February 2, 2009
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 212 hours, 54 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Servo
- Part number: 305RAA1
- Part serial: AS05874
- Condition: Malfunctioned
- Location: Autothrottle Sys
- Part time: 212 hours, 54 cycles
- Stage of operation: TO
- How discovered: V
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0954327

## Discrepancy

ON RUN UP AUTO THROTTLE SYSTEM INOP AUTO THROTTLES DISCONNECTED WHEN TOGA PUSHED WOULD NOT RECONNECT.  GROUNDED YES.  R&R A/T SERVO MOTOR NR 1 REF AMM22 31 91.  OPS CK NORMAL.

---
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.