# SDR YV3R2021052800454

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2021
- Submitted: May 28, 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: N42127
- Make and model: Robsin R44
- Aircraft serial: 14353
- Aircraft time: 122 hours
- Engine: Lyc IO540AE1A5
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Indicator
- Part number: C5991
- Part serial: 218365
- Condition: Defective
- Location: Airspeed
- Part time: 122 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/YV3R2021052800454

## Discrepancy

CUSTOMER REPORTED AIRSPEED INDICATOR P/N: C599-1 NEEDLE WAS ERRATIC.

---
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.
