# SDR FDEA202204130954

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2022
- Submitted: April 14, 2022
- Operation: Air carrier
- Aircraft: [N594FE](https://openairdocs.org/aircraft/N594FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48552
- Aircraft time: 90,013 hours, 18,933 cycles
- System (JASC): [2900 · Hydraulic Power System](https://openairdocs.org/jasc/2900)
- Part: Control Valve
- Part number: AJG70415537
- Condition: Failed
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202204130954

## Discrepancy

ON FINAL, RECEIVED LEVEL 2 HYD 1 FAIL ALERT.  RESERVOIR QUANTITY SHOWED 0.8 GALLONS.  ***EMERGENCY DECLARED***  REMOVED STAB TRIM CONTROL MODULE IAW MD11 AMM 27-43-40-4 FOR EVIDENCE OF LEAK. LEAKING ISOLATED TO STAB TRIM CONTROL MODULE FLOW CONTROL VALVE.

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