# SDR 2021FA0000291

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2021
- Submitted: October 19, 2021
- Operation: General aviation
- Aircraft: [N364TA](https://openairdocs.org/aircraft/N364TA), registered now
- Make and model: Snias AS350B3
- Aircraft serial: 7593
- Engine: Tmeca ARRIEL2D
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Sleeve
- Part number: 350A3418502
- Part serial: M8201
- Condition: Cracked
- Location: M/R Head
- Part time: 5,499 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/2021FA0000291

## Discrepancy

DURING ROTINE M/R BLADE INSTALLION, TECNICIAN FOUND LOWER SLEEVE BLADE PIN BUSH CRACKED.

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