# SDR DL72S000550

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2000
- Submitted: April 14, 2000
- Operation: Air carrier
- Aircraft: [N416DA](https://openairdocs.org/aircraft/N416DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21258
- Aircraft time: 69,005 hours, 53,791 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Valve
- Part number: 8816001001
- Condition: Leaking
- Location: Rudder Pcu
- Component: Control, 591005017
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL72S000550

## Discrepancy

SYSTEM A HYD LOSS IN FLT.  DIVERTED TO ELP.  FOUND LWR RUDDER PCU YAW DAMPER ENGAGE SOLENOID VALVE LEAKING.  REPLACED SOLENOID VALVE AND HYDRAULIC CASE DRAIN AND PRESS FILTERS.

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