# SDR CA110531011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2011
- Submitted: September 9, 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: 3,241 hours
- Engine: Allsn 250C47B
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Scroll
- Part number: 23064577D
- Condition: Cracked
- Location: Engine
- Part time: 7,019 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/CA110531011

## Discrepancy

2 INCH CRACK FOUND DURING SCHEDULED MX INSPECTION.  SOME CASE MATERIAL FOUND MISSING. RECORDS INDICATE SCROLL PREVIOUSLY REPAIRED FOR A CRACK IN 2004.  SCROLL TO BE FWD  FOR REPAIR.

---
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.