# SDR AU981550

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Fokker F.28 MK4000
- Registry model: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Engine: Rroyce SPEY55515
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Seal
- Part number: 56692
- Condition: Worn
- Location: Lt Engine
- Component: Abex
- Stage of operation: CR
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU981550

## Discrepancy

(AUS) LEFT ENGINE DRIVEN HYDRAULIC PUMP SHAFT SEAL FAILED.  LOSS OF HYDRAULIC FLUID.

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