# SDR M7K2008F00033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2008
- Submitted: July 17, 2008
- Operation: Air carrier
- Aircraft: [N823MH](https://openairdocs.org/aircraft/N823MH), registered now
- Make and model: Urocop EC 130 B4
- Registry model: [Urocop EC 130 B4](https://openairdocs.org/model/eurocopter-ec-130-b4) (OpenAirDocs)
- Aircraft serial: 4158
- Engine: Tmeca ARRIEL2B1
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Fitting
- Part number: 350A23422220
- Condition: Cracked
- Location: Tailboom
- Part time: 1,100 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/M7K2008F00033

## Discrepancy

DURING ROUTINE INSP, FITTING WAS FOUND CRACKED FROM AN OB ATTACHMENT SCREW BORE TO FLANGE EDGE. NEW FITTING WAS INSTALLED. THIS IS
A COMMON FAILURE FOR THIS PART.  BORE HOLES MUST BE MATCH DRILLED AND ALIGNED PERFECTLY.  SUGGEST A MORE DURABLE MATERIAL BE USED IN THIS PARTS MFG SUCH AS TITANIUM OR SS AS ALUMINUM ALLOY FAILS ROUTINELY UNDER NORMAL STRESS APPLIED TO THIS PART.  (K)

---
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.