# SDR CA150210006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2015
- Submitted: March 12, 2015
- Operation: General aviation
- Make and model: Snias AS350B2
- Aircraft time: 25,481 hours
- Engine: Lyc LTS101700D2
- System (JASC): [6410 · Tail Rotor Blades](https://openairdocs.org/jasc/6410)
- Part: Blade
- Part number: 355A12004008
- Condition: Delaminated
- Location: Tail Rotor
- Part time: 466 hours
- Stage of operation: TO
- How discovered: O
- Nature of condition: E
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA150210006

## Discrepancy

(CAN) AFTER 7 DAYS OF SITTING OUTSIDE IN THE RAIN THE ACFT WAS STARTED UP FOR REPOSITIONING.  ONCE THE ACFT WAS AT FLIGHT IDLE, A AIRFRAME VIBRATION WAS FELT & THE TAKEOFF WAS ABORTED & THE ENG WAS SHUT DOWN.  UPON INSPECTION THE TAIL ROTOR BLADE WAS INSPECTED & DETERMINED TO BE THE CAUSE OF THE VIBRATION.  THERE WAS EVIDENCE THAT WATER HAD PENETRATED THE TAIL ROTOR BLADE ASSEMBLY & WAS CAUSING THE SUDDEN OUT OF BALANCE.  THE WATER THAT TRAVELED THROUGH THE INSIDE OF THE BLADE STARTED TO EXIT THE BLADE BY WAY OF FORMING A BUBBLE UNDER THE SURFACE PAINT.  THE BLADE WAS REMOVED FROM SERVICE & IS BEING SENT TO THE MFG FOR FURTHER INSPECTION.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.