# SDR AU980277

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Master Switch
- Part number: CM358950
- Condition: Burnt Out
- Location: Dc Power Distrib
- Stage of operation: LD
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU980277

## Discrepancy

(AUS) AVIONICS MASTER SWITCH BURNED OUT.  SUSPECT CAUSED BY WATER INGRESS VIA THE WINDOW SEAL.

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