# SDR CA130124006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2013
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Boeing 757-2B7
- Registry model: [Boeing 757-2B7](https://openairdocs.org/model/boeing-757-2b7) (OpenAirDocs)
- Aircraft time: 55,511 hours
- Engine: Rroyce RB211535E437
- System (JASC): [2917 · Hydraulic Pressure Regulator, Main](https://openairdocs.org/jasc/2917)
- Part: Bypass Valve
- Part number: 251N3244
- Condition: Failed
- Location: Hyd System
- 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/CA130124006

## Discrepancy

(CAN) DURING SERVICE CHECK FOUND HYDRAULIC FLUID LEAKING FROM BYPASS ELEVATOR PRESSURE REDUCER VALVE.  FURTHER INSPECTION REVEALED A PIN HOLE LEAK IN THE BODY OF THE VALVE.

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