# SDR ASAA2023080844503

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2023
- Submitted: August 11, 2023
- Operation: Air carrier
- Aircraft: [N537AS](https://openairdocs.org/aircraft/N537AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35204
- Aircraft time: 42,182 hours, 12,234 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- 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/ASAA2023080844503

## Discrepancy

FIRST OFFICERS WEATHER RADAR RETURNS SIGNIFICANTLY DIFFERENT THAN CAPTAINS WHEN SET TO AUTO, WX/T. IN MANUAL RETURNS ON CAPTAINS AND FOS SCREENS SIMILAR. GROUNDED - YES. COULD NOT DUPLICATE MALFUNCTION.NO FAULTS IN CDS.VERIFIED BOTH RADAR & TERR BUSSES SWITCH & OPERATE NORMALLY.RADAR OP CK NORMAL.REF FIM 34-43 TASK 801.

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