# SDR HDNA2014F00129

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2014
- Submitted: July 9, 2014
- Operation: Air carrier
- Aircraft: [N935MC](https://openairdocs.org/aircraft/N935MC), registered now
- Make and model: Urocop EC 135 P2
- Registry model: [Urocop EC 135 P2](https://openairdocs.org/model/eurocopter-deutschland-ec-135-p2) (OpenAirDocs)
- Aircraft serial: 0485
- System (JASC): [2422 · AC Inverter](https://openairdocs.org/jasc/2422)
- Part: Static Inverter
- Part number: SPC10HD
- Part serial: 311
- Condition: Malfunctioned
- Location: Left
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HDNA2014F00129

## Discrepancy

IN CRUISE FLIGHT, THE ACFT ROLLED RT AND LT UN-COMMANDED ABOUT 5 PERCENT.  THE INVERTER CAUTION LIGHT ALSO ILLUMINATED.  PILOT MADE A PRECAUTIONARY LANDING. SYSTEM AFFECTED WAS THE ROLL SAS BECAUSE OF THE INVERTER FAILURE.

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