# SDR CALA2023122603734

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2023
- Submitted: December 26, 2023
- Operation: Air carrier
- Aircraft: [N2644U](https://openairdocs.org/aircraft/N2644U), registered now
- Make and model: Boeing 777
- Aircraft serial: 63724
- Aircraft time: 27,517 hours, 2,997 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Converter
- Part number: 9004089
- Part serial: 3296
- Condition: Vibration
- Location: Lh Windshield. S
- Part time: 27,470 hours, 2,993 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023122603734

## Discrepancy

LEFT WINDSHIELD WIPER VIOLENTLY VIBRATED AGAINST WINDSCREEN REMOVED CAPTAIN'S SIDE WIPER MOTOR/CONVERTER. REF AMM 30-42-03-000-802. INSTALLED WINDSHIELD WIPER MOTOR , ARM AND BLADE REF AMM 30-42-03

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