# SDR 2013FA0000484

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2013
- Submitted: August 23, 2013
- Operation: General aviation
- Aircraft: [N850BP](https://openairdocs.org/aircraft/N850BP), registered now
- Make and model: Snias AS350B3
- Aircraft serial: 3584
- System (JASC): [6410 · Tail Rotor Blades](https://openairdocs.org/jasc/6410)
- Part: Spar
- Condition: Cracked
- Location: T/R Blade
- Part time: 3,484 hours
- Component: Blade
- Component part number: 355A12005004
- 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/2013FA0000484

## Discrepancy

DURING P-CHECK MECHANIC NOTED CRACKLING SOUND EMANATING FROM TAIL ROTOR SPAR DURING FLEXING.  DISASSEMBLY OF TAIL ROTOR BLADE CONFIRMED VIABLE CRACK IN SPAR.

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