# SDR AC2R2018042003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2016
- Submitted: April 20, 2018
- Operation: General aviation
- Filed by: [Chevron USA, Production Company Aviation Maintenan, repair station AC2R685K](https://openairdocs.org/faa-repair-station/AC2R685K/chevron-usa-production-company-aviation-maintenan.md) (OpenAirDocs)
- Aircraft: [N639MC](https://openairdocs.org/aircraft/N639MC), registered now
- Make and model: Agusta AW139
- Registry model: [Agusta AW139](https://openairdocs.org/model/agustawestland-philadelphia-aw139) (OpenAirDocs)
- Aircraft serial: 41288
- Aircraft time: 3,469 hours
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Bearing
- Condition: Lack Of Lube
- Location: Oil Cooler Fan
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AC2R2018042003

## Discrepancy

REMOVE OIL COOLER FAN FOR DRY BEARING.

---
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.