# SDR CA960604009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Bolkms BO105C
- Engine: Allsn 250C20B
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Disk Assembly
- Part number: 112131531
- Condition: Defective
- Location: Input Igb
- Part time: 3,427 hours
- Stage of operation: TX
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA960604009

## Discrepancy

(CAN) AFTER COMPLETING A 100 HOUR AND BALANCING THE TAIL ROTOR A VIBRATION WAS FELT THROUGH THE PEDALS. FURTHER TROUBLESHOOTING REVEALED THE DISK ASSEMBLY WAS NOT AS STIFF AS ON OTHER AIRCRAFT. DISK ASSEMBLY CHANGED, VIBRATION DISAPPEARED.

---
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.