# SDR ASAA2017060320942

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2017
- Submitted: June 7, 2017
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 16,768 hours, 5,449 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Autoland Sys
- Condition: Malfunctioned
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017060320942

## Discrepancy

WHILE PERFORMING AN AUTOLAND-HGS APPROACH FOR THE APPROACH SURVEY,  RECEIVED A APPROACH WARNING BELOW 50 FT. REASON IS UNKNOWN.  DISCONNECTED AND LANDED.  ACFT GROUNDED. RESET SYSTEM AND RAN LAND VERIFY TEST IAW AMM 22-11-00/201, OPS CHECKED GOOD.

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