# SDR 98ZZZX4787

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [American Turbo Systems, repair station GV7R740J](https://openairdocs.org/faa-repair-station/GV7R740J/american-turbo-systems.md) (OpenAirDocs)
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Fan
- Part number: 695522722
- Condition: Leaking
- Location: Accy Gearbox
- Component: 38025611
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX4787

## Discrepancy

COWLING FAN STARTED TO LEAK OIL IN OPERATION.  INSPECTION UPON DISSASSSEMBLY REVEALED A CRACKED CARBON SEAL.  SUBMITTER SUGGESTED CAUSE OF DEFECT AS IMPROPER INSTALLATION.  ASSEMBLY PROCEDURES HAVE BEEN REVIEWED TO ENSURE PROPER INSTALLATION.

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