# SDR YV3R2023051600567

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2023
- Submitted: May 16, 2023
- Operation: General aviation
- Aircraft: [N944VB](https://openairdocs.org/aircraft/N944VB), registered now
- Make and model: Robsin R44RAVENII
- Aircraft serial: 14578
- Aircraft time: 223 hours
- Engine: Lyc IO540AE1A5
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Relay
- Part number: B28012
- Condition: Inoperative
- Part time: 223 hours
- Stage of operation: NR
- 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/YV3R2023051600567

## Discrepancy

CUSTOMER REPORTED RELAY ASSEMBLY P/N: B280-12 WAS INOPERATIVE (NO LOW RPM LIGHT OR HORN).

---
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.