# SDR CHI1913

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 1997
- 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: CGHFI
- Make and model: Boeing 1072A
- Aircraft serial: 5
- System (JASC): [6310 · Engine/Transmission Coupling](https://openairdocs.org/jasc/6310)
- Part: Clutch
- Part number: 107DS2131
- Condition: Slipped
- Location: Mix Box Nr 1
- Part time: 18,110 hours
- Component: 107D2003516
- Stage of operation: EX
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CHI1913

## Discrepancy

NR 1 CLUTCH REPORTED SLIPPING DURING LOGGING OPERATION.  NR 1 IDLER ASSY REMOVED AND DISASSEMBLED.  VISUAL AND DIMENSIONAL CHECK DONE ON PINION SPUR GEAR, IDLER HUB, AND CLUTCH SET.  NO PROBLEM FOUND.  AIRCRAFT HAD SAME PROBLEM 01-03-97 TSO, 309.9 HOURS.  TT, 17,065.3 HOURS.  (X)

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