# SDR 99ZZZX3506

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [GE Celma Ltda, repair station EM4Y159M](https://openairdocs.org/faa-repair-station/EM4Y159M/ge-celma-ltda.md) (OpenAirDocs)
- Engine: Pwa JT8D17
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Turbine Disk
- Part number: S66170
- Condition: Cracked
- Location: Engine
- Part time: 13,113 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/99ZZZX3506

## Discrepancy

PART PRESENTED CRACK ON RETAINING LUG AREA.  OEM INVESTIGATION REQUESTED.

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