# SDR 97ZZZX5207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N348QS](https://openairdocs.org/aircraft/N348QS), registered now
- Make and model: Cessna 560CESSNA
- Aircraft serial: 5600348
- System (JASC): [2915 · Hydraulic Pressure Relief Valve, Main](https://openairdocs.org/jasc/2915)
- Part: Relief Valve
- Part number: 4614
- Condition: Malfunction
- Location: Hyd System
- Part time: 1,699 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX5207

## Discrepancy

CREW REPORTS GEAR FAILS TO COMPLETE RETRACT CYCLE.  FOUND 1500 PSI RELIEF VALVE OPENING PREMATURELY @ 1100 PSI.  THIS CAUSED REPORTED CONDITION.  FOUND THIS SAME CONDITION ON 560-0331 WITH 1417 HOURS.  SUBMITTER RECOMMENDS TO ADD PRESSURE CHECK AT 300 HOUR INTERVALS WHEN GEAR SWINGS ARE PERFORMED.

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