# SDR ASAA2021052234866

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2021
- Submitted: June 2, 2021
- Operation: Air carrier
- Aircraft: [N462AS](https://openairdocs.org/aircraft/N462AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 26,181 hours, 8,459 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Autoland Sys
- Condition: Malfunctioned
- Stage of operation: LD
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021052234866

## Discrepancy

CAT 3 AUTOLAND/HGS 16R WIND 230/6. AIRCRAFT FLARED @ APPROZ 30' BUT DIDNT SETTLE TO RWY. A/C REMAINED AT 20-30'. CLICKED OFF A/P AND LANDED MANUALLY. GROUNDED - YES. UNABLE TO DUPLICATE DEFECT OR PREVIOUS FINDINGS. DFCS FAULT REVIEW SHOWED NO RELEVANT FAULTS. COMPLETED DFCS GROUP #10 (CURRENT STATUS) AND #11 (AUTOPILOT) TESTS PER B737-900 FIM 22-11 TASK 801 - ALL TESTS PASS. PERFORMED DFCS GROUP #49 (LAND VERIFY) TEST PER B737-900 AMM 22-11-00-700-801 - ALL TESTS PASS. ALSO PERFORMED HGS SYSTEM TEST PER HGS SMM 34-36-00 - ALL TESTS PASS

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