# SDR 2001FA0000294

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2001
- Submitted: September 7, 2001
- Operation: General aviation
- Aircraft: N957SD
- Make and model: Doug 600N
- Registry model: [Doug 600N](https://openairdocs.org/model/mcdonnell-douglas-helicopter-600n) (OpenAirDocs)
- Aircraft serial: RNO11
- Aircraft time: 2,031 hours
- System (JASC): [6700 · Rotorcraft Flight Control](https://openairdocs.org/jasc/6700)
- Part: Control Rod
- Part number: 500N711311
- Condition: Damaged
- Location: Notar Fan
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001FA0000294

## Discrepancy

DURING REMOVAL OF THE AFT FAN (NOTAR) CONTROL ROD P/N 500N7113-11 WE FOUND SOME CONTACT DAMAGE. IT APPEARS THIS ROD IS MAKING CONTACT WITH THE FAN GEARBOX OUTPUT GEARSHAFT I.D.

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