# SDR 2003FA0000846

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2003
- Submitted: August 21, 2003
- Operation: General aviation
- Aircraft: [N312MS](https://openairdocs.org/aircraft/N312MS), registered now
- Make and model: Urocop EC135P1
- Registry model: [Urocop EC135P1](https://openairdocs.org/model/eurocopter-deutschland-ec135p1) (OpenAirDocs)
- Aircraft serial: 0129
- Engine: Pwa PW206A
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Blade
- Part number: L621M1010054
- Part serial: 774776
- Condition: Cracked
- Location: Main Rotor
- Part time: 2,304 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2003FA0000846

## Discrepancy

CRACKS FOUND IN BOTH MAIN ROTOR BLADES IN THE AREA OF THE CONTROL CUFF/ FLEXBEAM VIEWED FROM THE INSPECTION AND DRAIN HOLES.  FLEXING BLADES UP AND DOWN YOU CAN SEE THE CRACK OPEN AND CLOSE.  ALSO YOU CAN HEAR AN AUDIBLE CLICKING SOUND.

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