# SDR AU981043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Bell 47
- Registry model: [Bell 47](https://openairdocs.org/model/bell-47) (OpenAirDocs)
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Bearing
- Part number: 47645239103
- Condition: Faulty
- Location: T/R Drive
- 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/AU981043

## Discrepancy

(AUS) TAIL ROTOR DRIVE SHAFT BEARINGS ROUGH.  THE BEARINGS ARE NEW ITEMS AND WERE BEING INSPECTED PRIOR TO USE.  FIVE OF ELEVEN BEARINGS SUPPLIED WERE FAULTY.

---
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.