# SDR 2001FA0000540

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2001
- Submitted: October 26, 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: RN011
- Aircraft time: 2,125 hours
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Angle
- Part number: 500N31296
- Condition: Cracked
- Location: Fuselage
- Part time: 2,125 hours
- 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/2001FA0000540

## Discrepancy

INSPECTED RT UPPER TAILBOOM ATTACH FITTING ON FUSELAGE . WE FOUND A CRACK IN ANGLE P/N 500N3129-6.  THIS ANGLE CAN ONLY BE SEEN BY REMOVAL OF THE RIVETED PANEL ON THE SIDE OF THE FUSELAGE. WE HAVE FOUND CRACKS ON ALL 3 OF OUR 600N MODELS .

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