# SDR FDEA202105091163

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2021
- Submitted: May 17, 2021
- Operation: Air carrier
- Aircraft: [N601FE](https://openairdocs.org/aircraft/N601FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48401
- Aircraft time: 87,592 hours, 22,573 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Gland Nut
- Part number: ARG75441
- Condition: Leaking
- 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/FDEA202105091163

## Discrepancy

HYD 3 OFF AT FL 340.  FLUID AT 2.5 THEN DROP TO 2.1.  HYD 3 FAIL CAME ON AFTER GEAR EXTENSION. FLUID DROP   TO .9. FOLLOWED QRH FOR HYD 3 FAIL.   RH MLG SWIVEL GLAND, AND MAIN LANDING GEAR RETRACT CYLINDER .  OPS CK AND LEAK CK   OK REF MD11 MM 32-33-21-4, MD11 MM 32-33-20-4.

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