# SDR 2004FA0000021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2003
- Submitted: January 7, 2004
- Operation: General aviation
- Aircraft: [N732YK](https://openairdocs.org/aircraft/N732YK), registered now
- Make and model: Cessna T210M
- Registry model: [Cessna T210M](https://openairdocs.org/model/cessna-t210m) (OpenAirDocs)
- Aircraft serial: 21061879
- Engine: Cont TSIO520R
- System (JASC): [7930 · Engine Oil Indicating System](https://openairdocs.org/jasc/7930)
- Part: Vernatherm
- Part number: 639305
- Condition: Failed
- Location: Oil Cooler
- Part time: 650 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/2004FA0000021

## Discrepancy

VERNATHERM FAILED TO BYPASS OIL COOLER WHEN OIL TEMPS LOW.

---
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.