# SDR HYI2003F00008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 2003
- Submitted: July 17, 2003
- Operation: Air carrier
- Aircraft: [N514NC](https://openairdocs.org/aircraft/N514NC), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0514
- Engine: Cont TSIO520*
- System (JASC): [3197 · Instrument System Wiring](https://openairdocs.org/jasc/3197)
- Part: Master Switch
- Part number: CM358950
- Condition: Inoperative
- Location: Lt Switch Panel
- Part time: 940 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HYI2003F00008

## Discrepancy

AVIONICS MASTER SWITCH INOPERATIVE.  MAINTENANCE REPLACED SWITCH AND RETURNED THE AIRCRAFT TO SERVICE.

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