# SDR CA040420001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2004
- Submitted: July 22, 2004
- Operation: General aviation
- Make and model: Bolkms BO105S
- Aircraft time: 8,810 hours
- Engine: Allsn 250C20B
- System (JASC): [6321 · Main Rotor Brake](https://openairdocs.org/jasc/6321)
- Part: Structure
- Part number: 10541227
- Condition: Damaged
- Location: Rotor Brake Box
- Stage of operation: NR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA040420001

## Discrepancy

(CAN) THE COLLECTIVE FRICTION ASSEMBLY WAS REPORTED FEELING LOOSE. LOOSENESS WAS TRACED TO THE BRAKE BOX, WHICH WAS MOUNTED WITH 6MM BOLTS IN 10MM HOLES.

---
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.