# SDR ASAA2021102836426

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2021
- Submitted: October 29, 2021
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 55,734 hours, 16,714 cycles
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Transceiver
- Part number: 8221710312
- Part serial: 45M2PC
- Condition: Failed
- Location: Area Forward Of
- Part time: 21,617 hours, 6,732 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021102836426

## Discrepancy

AFTER LDG TURNED WX TO TEST PWS FAIL, WXR FAIL, TERR FAIL. GROUNDED - YES. REPLACED WEATHER RADAR R/T REF. B737-800 AMM 34-43-41-400-801. OPS CHECK NORMAL REF. AMM 34-43-00-710-802-001.

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