# SDR CALA2013103092506

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2013
- Submitted: November 1, 2013
- Operation: Air carrier
- Aircraft: [N774UA](https://openairdocs.org/aircraft/N774UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26936
- Aircraft time: 72,272 hours, 13,417 cycles
- Engine: Pwa PW4077
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Control Panel
- Part number: 20412200412
- Part serial: 23
- Condition: Faulty
- Location: Cockpit
- Stage of operation: IN
- 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/CALA2013103092506

## Discrepancy

WX RADAR FAILURE, RTFL.  REPLACED WXR ANTENNA DRIVE UNIT IAW MM & CONTROL PANEL IAW MM 34-43-01.  OPERATIONS CHECKED NORMAL.  MAT TEST PASSED MESSAGE.

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