# SDR ASAA2022051038253

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2022
- Submitted: May 11, 2022
- Operation: Air carrier
- Aircraft: [N597AS](https://openairdocs.org/aircraft/N597AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35689
- Aircraft time: 50,893 hours, 15,226 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Dfgs
- Part number: UNKNOWN
- Condition: Failed
- Location: Unknown
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022051038253

## Discrepancy

LAND VERIFY LIBRARY TEST FAILED. A/C RELEASED PER MEL 22-20B. AUTOLAND SYSTEM INOP. GROUNDED - YES. ACCOMPLISHED DFCS LAND VERIFY SYSTEM TESTS REF B737-800 AMM 22-11-00/201. OPS CHECK GOOD. ALL TESTS PASS.

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