# SDR ASAA2014031507197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2014
- Submitted: March 18, 2014
- Operation: Air carrier
- Aircraft: [N409AS](https://openairdocs.org/aircraft/N409AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41733
- Aircraft time: 4,349 hours, 1,389 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Servo
- Part number: 305RAA1
- Part serial: AS05034
- Condition: Failed
- Location: Autothrottle Sys
- Part time: 17,995 hours, 5,762 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014031507197

## Discrepancy

AUTOTHROTTLE DISCONNECTED ON TAKE OFF ROLL AT 5 KTS IMMEDIATELY AFTER PRESSING TOGA BUTTON.   ACFT GROUNDED.  LAST FLIGHT LEG ASM1 FAULT CODE 22-31687.  FAILS INTERACTIVE THROTTLE TEST, NR 1 ASM 22-31794.  REPLACED AUTOTHROTTLE SERVO MOTOR REF. AMM 22-31-91. OPS CHK GOOD.

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