# SDR ASAA2019102173051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2019
- Submitted: October 22, 2019
- Operation: Air carrier
- Aircraft: [N461AS](https://openairdocs.org/aircraft/N461AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36363
- Aircraft time: 22,002 hours, 7,106 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Transceiver
- Part number: 8221710312
- Part serial: 40RL78
- Condition: Failed
- Location: Wx Radar Sys
- Part time: 13,892 hours, 4,089 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019102173051

## Discrepancy

WEATHER RADAR DEPICTING CELLS IN BOTH AUTOMATIC AND MANUAL MODES WHERE NO WEATHER ACTUALLY EXISTS. CONFIRMED VISUALLY BY BOTH PILOTS. GROUNDED - YES. REPLACED WEATHER RADAR RT REF B737-900 AMM 34-43-41-000-801 AND 34-43-41-400-801. OPS TEST OK PER SAME REF. GROUND VERIFICATION SUCCESSFUL.

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