# SDR ASAA2020101733369

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2020
- Submitted: October 19, 2020
- Operation: Air carrier
- Aircraft: [N536AS](https://openairdocs.org/aircraft/N536AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35203
- Aircraft time: 32,499 hours, 9,366 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Antenna
- Part number: 6225135822
- Part serial: 41513N
- Condition: Failed
- Location: Wx Radar Sys
- Part time: 24,396 hours, 7,885 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020101733369

## Discrepancy

PWS FAIL AND WXR FAIL.  GROUNDED-YES.  REMOVED AND REPLACED WXR ANTENNA DRIVE UNIT.  WXR SYSTEM OPERATIONAL TEST ACCOMPLISHED WITH NO DEFECTS NOTED, REF B737-800 AMM 34-43-11.  ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.

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