# SDR M7K2008F00031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2008
- Submitted: July 17, 2008
- Operation: Air carrier
- Aircraft: [N808MH](https://openairdocs.org/aircraft/N808MH), 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: 3914
- Engine: Tmeca ARRIEL2B1
- System (JASC): [5551 · Horizontal Stabilizer, Attach Fittings](https://openairdocs.org/jasc/5551)
- Part: Fitting
- Part number: 350A23422221
- Condition: Cracked
- Location: Horizontal Stab
- 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/M7K2008F00031

## Discrepancy

DURING ROUTINE INSP THE FITTING WAS FOUND CRACKED FROM AN OB ATTACHMENT SCREW BORE TO THE FLANGE EDGE. A NEW FITTING WAS INSTALLED.  THIS IS A COMMON FAILURE FOR THIS PART. PART MAY HAVE BEEN SHIMMED INCORRECTLY OR BORE HOLE NOT ALIGNED PERFECTLY.  SUGGEST A MORE DURABLE MATERIAL BE USED IN THIS PARTS MFG SUCH AS TITANIUM OR SS AS ALUMINUM ALLOY FAILS ROUTINELY UNDER THE NORMAL STRESS APPLIED TO THIS PART.  (K)

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