# SDR CALA2013110692689

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2013
- Submitted: November 7, 2013
- Operation: Air carrier
- Aircraft: [N220UA](https://openairdocs.org/aircraft/N220UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30223
- Aircraft time: 52,766 hours, 6,418 cycles
- Engine: Pwa PW40903
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Transmitter
- Part number: 20414440402
- Part serial: 78
- Condition: Faulty
- Location: Weather Radar
- 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/CALA2013110692689

## Discrepancy

WX RADAR FAIL MESSAGE BOTH LT & RT.  WINDSHEAR FAIL ALSO DISPLAYED ON EICAS.  WEATHER MESSAGE CONTINUED INTERMITTENTLY FAILING BOTH SIDES.  SEE PTT SEQ 765001, WX TRANSMITTER REPLACED & OPERATIONS CHECKED GOOD.  ANTENNA DRIVE UNIT & SCANNER REPLACED, OPERATIONS CHECKED GOOD.

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