# SDR 97ZZZX3514

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N544AS](https://openairdocs.org/aircraft/N544AS), registered now
- Make and model: Snias AS350B2
- Aircraft serial: 2890
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Drive Shaft
- Part number: 350A34021006
- Condition: Defective
- Location: Tail Rotor
- Part time: 1,636 hours
- Stage of operation: IN
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX3514

## Discrepancy

INTERMITTENT HIGH FREQUENCY DEVELOPED IN AIRCRAFT.  EVERY DRIVE COMPONENT HAS BEEN CHANGED OUT EXCEPT THE DRIVE SHAFT AND TAIL BOOM.  DRIVE SHAFT REPLACED WITH RE-CONDITIONED ONE FROM FRANCE.  VIBRATION GONE FOR NOW.

---
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.