# SDR ASAA2019011127760

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2019
- Submitted: January 15, 2019
- Operation: Air carrier
- Aircraft: [N569AS](https://openairdocs.org/aircraft/N569AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35184
- Aircraft time: 44,892 hours, 13,710 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Transceiver
- Part number: 8221710312
- Part serial: 40G49G
- Condition: Failed
- Location: Weather Radar
- Part time: 20,120 hours, 5,838 cycles
- Stage of operation: NR
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019011127760

## Discrepancy

WX RADAR WILL NOT TEST IN "TEST" MODE. "WX STAB AND WXR RANGE DISAGREE MESSAGES APPEAR ON MAP DISPLAY. GROUNDED - YES. REMOVED & REPLACED WEATHER RADAR RECEIVER/TRANSMITTER IAW AMM 34-43-41-000-801 & 34-43-41-401-801. PERFORMED OPS CHECK IAW AMM 34-43-00-710-802-001, OPS CHECK GOOD. GROUND VERIFICATION SUCCESSFUL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.