# SDR YV3R2020112100393

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2020
- Submitted: November 21, 2020
- Operation: General aviation
- Aircraft: [N171WC](https://openairdocs.org/aircraft/N171WC), registered now
- Make and model: Robsin R44
- Aircraft serial: 0331
- Aircraft time: 14,042 hours
- Engine: Lyc O540F1B5
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Arm
- Part number: D7281
- Condition: Broken
- Location: Alternator
- Part time: 116 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YV3R2020112100393

## Discrepancy

MAINTENANCE DISCOVERED ARM (ALTERNATOR ADJUSTMENT) BROKEN DURING 100 HOUR/ANNUAL INSPECTION.

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