# SDR 98ZZZX468

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Columbia Helicopters, Inc, repair station CHIR823C](https://openairdocs.org/faa-repair-station/CHIR823C/columbia-helicopters-inc.md) (OpenAirDocs)
- Aircraft: N194CH
- Make and model: Boeing 1072
- Aircraft serial: 404
- System (JASC): [6310 · Engine/Transmission Coupling](https://openairdocs.org/jasc/6310)
- Part: Sprag Clutch
- Part number: 107DS2131
- Condition: Undersized
- Location: Nr 2 Idler Assy
- Part time: 39 hours
- Component: 107D2003515
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX468

## Discrepancy

NR 2 CLUTCH DISENGAGED DURING FLIGHT.  FOUND CLUTCH SPRAGS MAY BE UNDERSIZED.  ALL OTHER PARTS CHECKED GOOD ON DIMENSIONAL INSPECTION.

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