# SDR CALA2016102100802

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2016
- Submitted: October 21, 2016
- Operation: Air carrier
- Aircraft: [N122UA](https://openairdocs.org/aircraft/N122UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29168
- Aircraft time: 70,140 hours, 7,940 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Scanner
- Part number: 20414440402
- Part serial: 7624
- Condition: Unserviceable
- Location: Weather Radar
- Part time: 704,408 hours, 700,421 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2016102100802

## Discrepancy

NO WEATHER DISPLAY FOR LEFT WXR WITH MODE SET AT 1, (1=NORM, 2= MID, 3=MAX).  NO WXR IN EITHER RT OR LT RADAR SYSTEMS REPLACED WEATHER RADAR SCANNER.  GROUND TEST OK IAW 34-00-00.

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