# SDR 99ZZZX3804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Filed by: [Nampa Valley Helicopters Inc, repair station FF6R533N](https://openairdocs.org/faa-repair-station/FF6R533N/nampa-valley-helicopters-inc.md) (OpenAirDocs)
- Aircraft: [N911NT](https://openairdocs.org/aircraft/N911NT), registered now
- Make and model: Snias AS350B
- Aircraft serial: 1556
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Hinge
- Part number: 350A33215300
- Condition: Cracked
- Location: T/R Gearbox
- Part time: 265 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX3804

## Discrepancy

CRACKS IN RUBBER, COULD NOT BALANCE TAIL ROTOR BLADES.

---
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.