# SDR 2016FA0000033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2016
- Submitted: January 28, 2016
- Operation: General aviation
- Aircraft: CFIHL
- Make and model: Doug 600N
- Registry model: [Doug 600N](https://openairdocs.org/model/mcdonnell-douglas-helicopter-600n) (OpenAirDocs)
- Aircraft serial: RN042
- Engine: Allsn 250C47M
- System (JASC): [6410 · Tail Rotor Blades](https://openairdocs.org/jasc/6410)
- Part: Blades
- Part number: 500N531019
- Condition: Failed
- Location: Notar Fan
- Part time: 2,257 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2016FA0000033

## Discrepancy

AIRCRAFT PICKED UP TO A HOVER AND PILOT HEARD A LOUD SHUDDER NOISE AND PUT AIRCRAFT ON GROUND.  ON INSPECTION, FOUND ALL 13 NOTAR FAN BLADES DESTROYED WITH DAMAGE TO LINER.  UNKNOWN CAUSE OF BLADE FAILURE.

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