# SDR YV3R2021012200426

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2021
- Submitted: January 22, 2021
- Operation: General aviation
- Filed by: [Robinson Helicopter Company Inc, repair station YV3R012M](https://openairdocs.org/faa-repair-station/YV3R012M/robinson-helicopter-company-inc.md) (OpenAirDocs)
- Aircraft: [N930DK](https://openairdocs.org/aircraft/N930DK), registered now
- Make and model: Robsin R44RAVENII
- Aircraft serial: 13963
- Aircraft time: 2,132 hours
- Engine: Lyc IO540AE1A5
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Arm
- Part number: D7281
- Part serial: REVJLOTY2
- Condition: Broken
- Location: Alternator
- Part time: 100 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YV3R2021012200426

## Discrepancy

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

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