# SDR ASAA2021092836112

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2021
- Submitted: October 1, 2021
- Operation: Air carrier
- Aircraft: [N457AS](https://openairdocs.org/aircraft/N457AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36355
- Aircraft time: 27,847 hours, 8,979 cycles
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TO
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021092836112

## Discrepancy

WINDSHEAR GUIDANCE ACTIVATED ON TAKEOFF. POWER/THRUST LEVERS WERE PLACED TO MECHANICAL STOPS FOR LESS THAN 60 SECONDS. GROUNDED - YES. REF B737-900 AMM 34-43-00-710-802-001. NO FAULTS. COULD NOT DUPLICATE. OPS TEST NORMAL.

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