# SDR CA090217006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2009
- Submitted: March 5, 2009
- Operation: General aviation
- Make and model: Cndair CL6002C10
- Engine: Ge CF348C5B1
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Relief Valve
- Part number: 9752753
- Condition: Malfunctioned
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA090217006

## Discrepancy

(CAN) GEAR DISAGREE MSG DURING RETRACTION. ACFT RETURNED TO FIELD.  MX CARRIED OUT LANDING GEAR INSPECTIONS WITH NO DEFECTS FOUND. HYD SYS  PRESSURE DECAY CHECK CARRIED OUT AND FAILED. HYDR SYS NR3 RESERVIOR CHANGED AND SYS PRESSURE AND DECAY RATE GOOD. CHANGED PRIORITY BALANCE RELIEF VALVE. LANDING GEAR OPS CHECK CARRIED GOOD.  PRIORITY BALANCE RELIEF VALVE, 975275-3.

---
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.