# SDR 040103119

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2004
- Submitted: November 3, 2004
- Operation: General aviation
- Aircraft: N7800
- Make and model: Gulstm GIV
- Aircraft serial: 1098
- Engine: Rroyce TAY6118
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 1159SCH20041
- Part serial: 228340
- Condition: Failed
- Location: Hyd System
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/040103119

## Discrepancy

ENGINE DRIVEN HYDRAULIC PUMP INTERNAL FAILURE.  LARGE ACCUMULATION OF METAL SHAVINGS FOUND IN HYDARULIC FILTER AND CANISTER, CAUSING THE BYPASS INDICATION BUTTON TO POP.

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