# SDR 2009FA0000982

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2009
- Submitted: November 20, 2009
- Operation: General aviation
- Aircraft: [N468GA](https://openairdocs.org/aircraft/N468GA), registered now
- Make and model: Gulstm GIVXG450
- Aircraft serial: 4168
- System (JASC): [2916 · Hydraulic Reservoir, Main](https://openairdocs.org/jasc/2916)
- Part: O-Ring
- Condition: Disintegrated
- Location: Hyd Reservoir
- Component: Reservoir, Shawaero
- Component part number: 1159SCH5197
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2009FA0000982

## Discrepancy

SIGHT GLASS O-RING IN HYD RESERVOIR APPEARS TO BE OF A NON COMPATIBLE MATERIAL WITH SKYDROL.  CAUSING O-RING TO DISINTEGRATE LEAVING PIECES OF O-RING MATERIAL IN RESERVOIR AND CAUSING SIGHT GLASS TO LEAK.  THIS COULD CAUSE HYD SYS CONTAMINATION OR LOSS OF HYD POWER.  (K)

---
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.