# SDR CA111013007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2011
- Submitted: January 23, 2013
- Operation: Air carrier
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft time: 882 hours
- Engine: Allsn 250C47B
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Blade
- Part number: 407015001137
- Condition: Delaminated
- Location: Main Rotor
- Part time: 2,362 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/CA111013007

## Discrepancy

WHILE DOING A 600 HR INSPECTION TAP TEST OF THE M/R BLADE, IT NOTICED THAT THERE WAS A DULL SOUND NEAR STATION 183 TO 185 ON THE UNDER SIDE OF THE BLADE. THE APPROXIMATE CHORD WISE LENGTH 2".

---
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.