# SDR 53075

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2003
- Submitted: February 5, 2003
- Operation: General aviation
- Aircraft: N108SD
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53075
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Hose
- Part number: 23063412
- Condition: Chafed
- Location: Engine
- Part time: 3,447 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/53075

## Discrepancy

THIS HOSE DETERIORATES RAPIDLY DUE TO THE FACT THAT THE HOSE IS A CORRUGATED TUBE HOUSED IN A STEEL BRAID THAT CHAFES THE TUBE CAUSING CHAFE DAMAGE TO THE HOSE AND SUBSEQUENT OIL LEAK.  THIS HOSE SHOULD BE REDESIGNED TO EXTEND RELIABILITY.  THE HOSES LAST ABOUT 2 YEARS, 1,000 HOURS.

---
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.