# SDR DL757050037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2005
- Submitted: February 1, 2005
- Operation: Air carrier
- Aircraft: [N652DL](https://openairdocs.org/aircraft/N652DL), registered now
- Make and model: Boeing 757232
- Aircraft serial: 24392
- Aircraft time: 51,959 hours, 24,864 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Control Valve
- Part number: 321002874
- Condition: Ingested
- Location: Brakes
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL757050037

## Discrepancy

RIGHT HYD QTY DROPPED TO .43 WITH RT AUTOPILOT TRIP.  FOUND RT SYS QTY AT .43 WITH LT HYD QTY AT 1.33.  REPLACED PARKING BRAKE VALVE AND ANTI-SKID SHUTTLE VALVES.

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