# SDR 99ZZZX559

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [WGI Inc, repair station WNFR711K](https://openairdocs.org/faa-repair-station/WNFR711K/wgi-inc.md) (OpenAirDocs)
- Engine: Pwa JT3D*
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Gearshaft
- Part number: 385384
- Condition: Cracked
- Location: Gearbox
- 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/99ZZZX559

## Discrepancy

CHROME PLATE REMOVED FROM SEAL FACE (INDEX 27) AND BASE METAL FOUND TO BE CRACKED IN SEVERAL PLACES.  FMPI FOUND THE PROBLEM.  CAUSE UNKNOWN.

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