# SDR YV3R2020062700284

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2020
- Submitted: June 27, 2020
- 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: XB-AP
- Make and model: Robsin R44
- Aircraft serial: 0957
- Aircraft time: 16,825 hours
- Engine: Lyc O540F1B5
- System (JASC): [6300 · Main Rotor Drive System](https://openairdocs.org/jasc/6300)
- Part: Actuator
- Part number: C0511
- Part serial: 9192
- Condition: Defective
- Location: Clutch
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YV3R2020062700284

## Discrepancy

CUSTOMER REPORTED CLUTCH ASSEMBLY P/N: C051-1 COLUMN SPRING SWITCHES FAILED TO ACTUATE SIMULTANEOUSLY.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.