# SDR CALA2019080101286

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2019
- Submitted: August 1, 2019
- Operation: Air carrier
- Aircraft: [N668UA](https://openairdocs.org/aircraft/N668UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30024
- Aircraft time: 74,159 hours, 16,143 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Drive Unit
- Condition: Malfunctioned
- Location: Wx Radar Antenna
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2019080101286

## Discrepancy

WX RADAR INOP, ERRATIC IMAGES AT ALL RANGES AND TILTS CAUSING AIR RETURN. REPLACED RADAR ANTENNA DRIVE REF MM34-43-05-004-094 AND -404-100. TESTED GOOD, REF MM34-43-05-714-022.  NO FAULTS NOTED IN SELF TEST OR PAINTING WITH WX OR MAP MODES. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1117175  SN OFF 8268 DRIVE, SCANNER-  OFF 75-4300-9-0001 8268 ON 75-4300-9-0001 8445.

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