# SDR 95ZZZX2815

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N709AL](https://openairdocs.org/aircraft/N709AL), registered now
- Make and model: Skrsky S76A
- Aircraft serial: 760278
- System (JASC): [6322 · Rotorcraft Cooling Fan System](https://openairdocs.org/jasc/6322)
- Part: Shaft
- Part number: 10E933
- Condition: Worn
- Location: Cooler Blower
- Part time: 4,113 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX2815

## Discrepancy

DISCOVERED AT ENGINE CHANGE, OIL COOLER BLOWER SPLINES WORN EXCESSIVELY.  SUSPECT CAUSE - WHEN INSTALLED ON ENGINE, SPLINES WERE INSTALLED WITH GREASE.  THE GREASE BLOCKED ENGINE OIL PASSAGE IN GEARBOX CAUSING LOSS OF LUBRICATION ON WET SPLINES.

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