# SDR CA120727014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2012
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Robsin R44RAVENII
- Engine: Lyc IO540AE1A5
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Adapter
- Condition: Worn
- Location: Magneto
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA120727014

## Discrepancy

(CAN) LEFT MAGNETO ADAPTER DRIVE BEARING SPINNING IN ACESSORY CASE.  ENGINE CASE WAS DAMAGED BY SPINNING BEARING.  ENGINE REMOVED FOR REPAIR, O/H. THE OPERATOR HAS HAD A NUMBER OF OTHER INCIDENTS OF MAGNETO DRIVE BEARING FAILURE.  FAULT HAS BEEN DISCUSSED WITH ENGINE MFR AND O/H SHOPS.  OPERATOR HAS REVEIWED MAGNETO INSTALLATION PROCEDURES WITH ALL MAINTENANCE STAFF.

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