# SDR CA141218025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2014
- Submitted: March 12, 2015
- Operation: General aviation
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Engine: Allsn 250C47B
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Making Metal
- Part time: 832 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA141218025

## Discrepancy

(CAN) FOUND A SIGNIFICANT AMOUNT OF CHIPS IN THE CEFA.   PULLED THE FILTER AND A FEW CHIPS ON THE BOTTOM CHIP DETECTOR.  AFTER SENDING THE FILTER TO MANUFACTURE,  DECIDED IT`S CONSISTENT WITH BEARING MATERIAL.  WILL BE REMOVING THE ENGINE TODAY THIS IS THE SAME ENGINE THAT HAD THE NR 2 BEARING FAILURE WHICH WAS THEN REPAIRED.   SHIP AND ENGINE TIME IS 831.9 HRS AND 497 CYCLES.  540HRS SINCE THE NR 2 BEARING EVENT.

---
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.