# SDR ASAA2019083093538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2019
- Submitted: August 31, 2019
- Operation: Air carrier
- Aircraft: [N477AS](https://openairdocs.org/aircraft/N477AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40716
- Aircraft time: 17,058 hours, 5,411 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Warning Message
- Condition: False Activation
- Location: Autoland
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019083093538

## Discrepancy

ON HGS AIII AND AUTOLAND APPROACH, RECEIVED APPROCH WARNING ANNUNCIATION AT ABOUT 50' AGL. ACFT WAS TRACKING ABOUT 50' OR MORE TO THE LEFT. WIND WAS 170 DEGREES/11 KTS AT 500'. CRITICAL AREA WAS CLEAR. GROUNDED - YES. ACCOMPLISHED LAND VERIFY TEST IAW AMM 22-11-00-700-801. ALL TESTS PASSED WITH NO FAULTS LOGGED. GROUND VERIFICATION SUCCESSFUL.

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