# SDR CALA2023022000495

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2023
- Submitted: February 20, 2023
- Operation: Air carrier
- Aircraft: [N204UA](https://openairdocs.org/aircraft/N204UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 28713
- Aircraft time: 96,407 hours, 12,719 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Transceiver
- Part number: 19344090001
- Condition: None
- Location: Lt Wxr
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023022000495

## Discrepancy

WXR FAIL LEFT POSITION ONLY. R WORKS 4.0 REPLACED TRANSCIEVER UNIT, COMPLETED WXR TEST  OPS NORMAL PARTS USED:  19-3440-9-0001,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1089025  SN OFF 3131 TRANSCEIVER, WX  OFF 19-3440-9-0001 3131 ON 19-3440-9-0001 4690

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