# SDR ASAA2023032742614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2023
- Submitted: March 29, 2023
- Operation: Air carrier
- Aircraft: [N491AS](https://openairdocs.org/aircraft/N491AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44109
- Aircraft time: 27,485 hours, 8,609 cycles
- System (JASC): [2230 · Auto Throttle System](https://openairdocs.org/jasc/2230)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TO
- 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/ASAA2023032742614

## Discrepancy

ON TAKE OFF A/T DISCONNECTED AND FAILED TO RE ENGAGE ON TAKE OFF OR CRUISE. GROUNDED - YES. PERF A/T BITE PER B737-900 FIM 22-31 TASK 801. ALL REQ TESTS PASSED, NO DEFECTS FOUND AT THIS TIME. PERF LLM TEST REF B737-900 AMM 22-11-00. ALL REQ TESTS PASSED. AC APPROACH UPDATED. CAT III AUTO LAND SUCCESSFUL. OKAY TO CONTINUE SERVICE.

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