# SDR 97ZZZX106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Engine: Pwa JT8D217A
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Lpt Shaft
- Part number: 783319
- Condition: Distorted
- Location: N1 Turbine
- Part time: 20,159 hours
- Stage of operation: IN
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX106

## Discrepancy

ENGINE WAS REMOVED FROM SERVICE DUE TO VIBRATION.  DISASSEMBLY OF THE ENGINE REVEALED THAT AN OIL FIRE HAD OCCURRED IN THE N2 COMPRESSOR CENTER TUBE CAUSING THE LPT SHAFT TO DISTORT AND RUB WHICH RESULTED IN ENGINE VIBRATION.  THE FAILURE IS STILL UNDER INVESTIGATION.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.