# SDR ASAA2022070939005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2022
- Submitted: July 18, 2022
- Operation: Air carrier
- Aircraft: [N942AK](https://openairdocs.org/aircraft/N942AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44102
- Aircraft time: 32 hours, 14 cycles
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Control Panel
- Part number: 6225129802
- Part serial: 4RRHR5
- Condition: Faulty
- Location: Flight Deck
- Part time: 120 hours, 39 cycles
- 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/ASAA2022070939005

## Discrepancy

WX RADAR DOES NOT ACCURATELY DISPLAY ACTIVE WEATHER IN AUTO MODE. APPEARS FUNCTIONAL IN MANUAL MODE ONLY + AUTO MODE UNDER 40 NM RANGE. GROUNDED - YES. PERFORMED WEATHER RADAR OPERATIONAL TEST REF B737-9 AMM 34-41-00-710-801 OPS CHECK NORMAL UNABLE TO DUPLICATE ON GROUND. AS PRECAUTIONARY, REPLACED WEATHER RADAR CONTROL PANEL REF AMM 34-41-53/401 ALL REQUIRED TESTS PASSED.

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