# SDR ASAA2020022523264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2020
- Submitted: February 26, 2020
- Operation: Air carrier
- Aircraft: [N512AS](https://openairdocs.org/aircraft/N512AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39043
- Aircraft time: 44,286 hours, 13,168 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Autothrottle Sys
- Condition: Malfunctioned
- Location: Nr 2
- Stage of operation: NR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020022523264

## Discrepancy

WHEN TOGA SELECTED #2 THRUST LEVER DID NOT ADVANCE, FOLLOWED BY AUTOMATIC AUTOTHROTTLE DISENGAGEMENT. GROUNDED - YES. TESTED TOGA SWITCH REF B737-800 AMM 22-11-39, GROUND VERIFICATION NORMAL. ACCOMPLISHED AUTOTHROTTLE OPERATIONAL TEST AND AUTOTHROTTLE SYSTEM TEST REF AMM 22-31-00, GROUND VERIFICATION NORMAL. NO FAULTS FOUND.

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