# SDR ASAA2023021041896

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2023
- Submitted: February 14, 2023
- Operation: Air carrier
- Aircraft: [N487AS](https://openairdocs.org/aircraft/N487AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44108
- Aircraft time: 27,131 hours, 8,359 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023021041896

## Discrepancy

AUTOTHROTTLE DISENGAGED ATTEMPTED TO RE-ENGAGE AND AGAIN DISENGAGED. NOTED THE #2 THRUST LEVER ADVANCED AND #1 MAINTAINED COMMANED N1 SETTING. GROUNDED - YES. IAW B737-900 AMM 22-11-00-740-801 - DFCS OPS TEST ACCOMPLISHED. NO FAULTS SEEN. IAW AMM TASK 22-31-TASK 804. NO FAULTS SEEN. AIRCRAFT CONSIDERED SERVICEABLE.

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