# SDR ASAA2023031742409

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2023
- Submitted: March 20, 2023
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 59,744 hours, 17,586 cycles
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023031742409

## Discrepancy

IN AUTO DOWN -2 CAPTAIN SIDE RADAR WAS SHOWING FULL GROUND RETURN. FO RADAR SHOWED NORMAL RETURN. GROUNDED - YES. PERFORMED WEATHER RADAR SYSTEM BITE CHECK PER B737-800 FIM 34-43 TASK 801. NO FAULT FOUND. PERFORMED GOOD WRX SYSTEM TEST PER B737-800 AMM 34-43-00-730-802-00.

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