# SDR 2023F00145

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2023
- Submitted: May 18, 2023
- Operation: General aviation
- Aircraft: [N263MH](https://openairdocs.org/aircraft/N263MH), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9311
- Aircraft time: 5,395 hours
- Engine: Tmeca ARRIEL1E2
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Part number: 40165
- Part serial: AY633
- Condition: High Pressure
- Location: Zone 200
- Component: Hydraulic Pump
- Component part number: 40165
- Stage of operation: CR
- How discovered: V
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023F00145

## Discrepancy

AFTER TAKE OFF APPROX 4 MINUTES IN FLIGHT NUMBER 1 HYDRAULICS CAUTION ILLUMINATED. LANDED WITHOUT ISSUE. MAINTENANCE DISCOVERED A HOLD IN A HYDRAULIC PUMP LINE. CHAFING WAS NOT SUSPECTED AS IT HAD CHAFE PROTECTANT AROUND THE LINE AND WAS AT LEAST 6" FROM ANY RUB POINT.

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