# SDR CA101026003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2010
- Submitted: January 4, 2011
- Operation: Air carrier
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft time: 508 hours
- Engine: Allsn 250C47B
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Blade
- Part number: 4O7015001137
- Condition: Cracked
- Location: Main Rotor
- Part time: 588 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/CA101026003

## Discrepancy

DURING 600HR/6 MONTH INSP CRACKS WERE FOUND ON THE L/E EROSION STRIP ON 2 OF THE 4 BLADES.  THE CRACKS STARTED AT THE L/E AND GO TOWARD THE T/E.  ALL THE CRACKS ARE ON THE TOP OF THE BLADE AND OTBD OF BLADE STA 138.0.  BLADES WERE REMOVED FROM SERVICE FOR REPAIR.

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