# SDR 2022F00399

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2022
- Submitted: October 7, 2022
- Operation: General aviation
- Aircraft: [N990HA](https://openairdocs.org/aircraft/N990HA), registered now
- Make and model: Amd FALCON7X
- Aircraft serial: 036
- Engine: Pwc PW307A
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Gearbox
- Part number: 30P210901
- Part serial: NYAA000A127
- Condition: Cracked
- Location: Nr 3 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2022F00399

## Discrepancy

RECEIVED WO TO PERFORM FWD HYD PUMP SEAL REPLACEMENT ON GEARBOX ENG#3 DUE TO SUSPECT ENGINE OIL LEAK. NOTED HYD LEAK INSTEAD OF OIL LEAK. NOTED ALSO LOWER ENGINE COWL ENGINE OIL CONTAMINATED.
PERFORMED ENGINE RUN UP AND FOUND CRACK ON GEARBOX.

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