# SDR ASAA2023080944519

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2023
- Submitted: August 11, 2023
- Operation: Air carrier
- Aircraft: [N433AS](https://openairdocs.org/aircraft/N433AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41704
- Aircraft time: 36,304 hours, 11,471 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023080944519

## Discrepancy

WXR FAIL DISPLAYED WHEN WXR SELECTED ON EFIS PANEL AND AND RADAR BUTTON ON FOR RADAR WHEN RADAR BUTTON IS STOWED AMBER WXR FAIL ANT PWS FAIL ILLUMINATED. GROUNDED - YES. PERFORMED WX BITE REF B737-900 FIM 34-43 TASK 801 NO FAULTS CDS HAS NO FAULTS ADIRU NO FAULTS LRRA NO FAULTS PER FIM FAULT WAS INTERMITTENT.

---
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.