# SDR YV3R2020120200401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2020
- Submitted: December 2, 2020
- Operation: General aviation
- Aircraft: [N930DK](https://openairdocs.org/aircraft/N930DK), registered now
- Make and model: Robsin R44RAVENII
- Aircraft serial: 13963
- Aircraft time: 2,149 hours
- Engine: Lyc IO540AE1A5
- System (JASC): [2410 · Alternator-Generator Drive](https://openairdocs.org/jasc/2410)
- Part: Arm
- Part number: D7281
- Part serial: LOT16
- Condition: Broken
- Location: Alternator Adjus
- Part time: 55 hours
- Stage of operation: NR
- 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/YV3R2020120200401

## Discrepancy

CUSTOMER REPORTED ARM (ALTERNATOR ADJUSTMENT) P/N: D728-1 FAILED (BROKEN).

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