# SDR 2026FA0000522

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2026
- Submitted: June 17, 2026
- Operation: General aviation
- Aircraft: [N890ND](https://openairdocs.org/aircraft/N890ND), registered now
- Make and model: Piper PA-44-180
- Registry model: [Piper PA-44-180](https://openairdocs.org/model/piper-pa-44-180) (OpenAirDocs)
- Aircraft serial: 4496603
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Part number: 601940
- Condition: Malfunctioned
- Location: Zone 700
- Part time: 505 hours
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2026FA0000522

## Discrepancy

HYDRAULIC PUMP WOULD NOT DEACTIVATE. RAN CHECKLIST AND NO CHANGE. HAD TO USE THE EMERGENCY GEAR HANDLE TO DROP THE GEAR, ALL 3 LDG CAME DOWN AFTER L/H MAIN SHOWED RED. LANDED WITH NO ISSUE

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