# SDR YN8R11136

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2010
- Submitted: August 11, 2010
- Operation: General aviation
- Aircraft: [N828SG](https://openairdocs.org/aircraft/N828SG), registered now
- Make and model: Cessna 425
- Registry model: [Cessna 425](https://openairdocs.org/model/cessna-425) (OpenAirDocs)
- Aircraft serial: 4250122
- Aircraft time: 4,679 hours, 4,497 cycles
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Master Switch
- Part number: CM358950
- Part serial: 0516
- Condition: Defective
- Location: Avionics
- Stage of operation: IN
- How discovered: C
- Nature of condition: L, H
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YN8R11136

## Discrepancy

AVIONICS MASTER SWITCH WAS FOUND INOP UPON FUNCTIONAL CHECK. PART HAS BEEN RED TAGGED AND REPLACED WITH NEW SWITCH. PART WAS DISASSEMBLED AND UPON FURTHER INSPECTION APPEARS TO HAVE A MFG DEFECT.

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