# SDR 98ZZZX4013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N193CS](https://openairdocs.org/aircraft/N193CS), registered now
- Make and model: Swrngn SA226TB
- Aircraft serial: T300
- Engine: Garrtt TPE33110U
- System (JASC): [7250 · Turbine Section](https://openairdocs.org/jasc/7250)
- Part: Nut
- Part number: 31037131
- Condition: Broke
- Location: Turbine
- Part time: 1,810 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/98ZZZX4013

## Discrepancy

TURBINE NUT FAILED ON ENGINE RUN-UP.  ROTATING GROUP BECAME UNSTACKED RESULTING IN SHUTDOWN OF ENGINE.  REPAIRED IAW TPE331 MM.  C/W SB 72-0935, IMPROVED TURBINE NUT.  FAILED NUT HAD BEEN INSTALLED PER SB 72-0592 AT ENGINE OVERHAUL.

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