# SDR CA141017006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2014
- Submitted: March 12, 2015
- Operation: General aviation
- Make and model: Robsin R44RAVENII
- Aircraft time: 4,425 hours
- Engine: Lyc IO540AE1A5
- System (JASC): [7414 · Magneto/Distributor](https://openairdocs.org/jasc/7414)
- Part: Contact
- Part number: 10400507
- Condition: Failed
- Location: Magneto
- Component: Magneto, Teledynethrm
- Component part number: 10600646201
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA141017006

## Discrepancy

(CAN) ENGINE TACH STARTED FLUCTUATING AND GOVERNOR BECAME INEFFECTIVE.  PILOT OVERRODE GOVERNOR AND LANDED.  UPON DISSASEMBLY OF MAGNETO NOTED TACH POINT CONTACT HAD BECOME DISLODGED FROM IT`S HOLDER.  LOOKS LIKE THE SOLDER CONNECTION FAILED.

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