# SDR ASAA2022080539398

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2022
- Submitted: August 8, 2022
- Operation: Air carrier
- Aircraft: [N926AK](https://openairdocs.org/aircraft/N926AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43314
- Aircraft time: 1,936 hours, 574 cycles
- System (JASC): [3443 · Doppler System](https://openairdocs.org/jasc/3443)
- Part: Processor
- Part number: 8223150101
- Part serial: 78B6F
- Condition: Faulty
- Location: Ee, E1
- Part time: 1,931 hours, 573 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022080539398

## Discrepancy

WX RADAR IS WEAK, STORM THAT WOULD NORMALLY DISPLAY AT 150 NM DONT DISPLAY UNTIL 60 NM, STORMS TOWERING TO 50,000' WITH CONFIRMED LIGHTNING DISPLAYS GREEN AND YELLOW INSTEAD OF RED. GROUNDED - YES. REPLACED NEW WXR PROCESSOR & INSTALLATION TEST NORMAL B737-9 AMM 34-41-42/401.

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