# SDR 20010606CW006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2001
- Submitted: June 6, 2001
- Operation: Air carrier
- Aircraft: [N245CH](https://openairdocs.org/aircraft/N245CH), registered now
- Make and model: Boeing 234
- Registry model: [Boeing 234](https://openairdocs.org/model/boeing-vertol-234) (OpenAirDocs)
- Aircraft serial: MJ022
- Aircraft time: 12,822 hours
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Harness
- Condition: Corroded
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20010606CW006

## Discrepancy

AT TAKEOFF AND INTO CRUISE FLIGHT, THE NR 2 ENGINE BEGAN OSCILLATING AND GOING TO HIGH SIDE.  THE NR 2 ENGINE WAS BROUGHT BACK TO THE GROUND POSITION AND HELICOPTER WAS RETURNED TO THE SERVICE LANDING.  TROUBLESHOOTING REVEALED CORROSION/ RESISTANCE IN THE NR 2 ENGINE, NR 2 DECK CANNON PLUG 103P17.  THE NR 2 ENGINE N2 HARNESS WAS REPLACED, OPERATIONALLY CHECKED GOOD AND THE HELICOPTER RETURNED TO SERVICE.

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