# SDR QR9R2024040900004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2024
- Submitted: April 9, 2024
- Operation: General aviation
- Filed by: [M1 Support Services, repair station QR9R369D](https://openairdocs.org/faa-repair-station/QR9R369D/m1-support-services.md) (OpenAirDocs)
- Make and model: Bolkms BK117C2
- Aircraft serial: 18724169801
- Aircraft time: 3,153 hours
- System (JASC): [6200 · Main Rotor System](https://openairdocs.org/jasc/6200)
- Part: Bolt
- Part number: B661M1006201
- Part serial: 1078
- Condition: Failed Insp
- Location: Not Reported
- Part time: 3,153 hours
- Stage of operation: IN
- How discovered: M
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2024040900004

## Discrepancy

DURING 800 HR INSPECTION, DETECTED CRACKS IN BOLT USING NDI METHOD.

---
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.