# SDR ASAA2019032828807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2019
- Submitted: March 29, 2019
- Operation: Air carrier
- Aircraft: [N431AS](https://openairdocs.org/aircraft/N431AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43255
- Aircraft time: 21,625 hours, 7,106 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Unknown
- Condition: Malfunctioned
- Location: Autopilot Sys
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019032828807

## Discrepancy

AUTOLAND TOUCHDOWN ABOUT 40' LEFT OF CENTERLINE. STARTED DEVIATION FROM CENTERLINE AT ABOUT 50' AGL. GROUNDED - YES. ACCOMPLISHED LLM MX PRACTICES FOR INBOUND CONDITION RELATED TO AUTOLAND AMM 22-00-01-730-807 NO CURRENT FAULTS AND ALL TESTS PASS. ACCOMPLISHED MAINTENANCE TEST AMM 22-00-01-730-803 ALL TESTS PASS.

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