# SDR 2009FA0000670

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2009
- Submitted: August 4, 2009
- Operation: General aviation
- Aircraft: [N55460](https://openairdocs.org/aircraft/N55460), registered now
- Make and model: Piper PA-28R-200
- Registry model: [Piper PA-28R-200](https://openairdocs.org/model/piper-pa-28r-200) (OpenAirDocs)
- Aircraft serial: 28R7335237
- Aircraft time: 5,425 hours
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Master Switch
- Part number: 9937705
- Condition: Failed
- Location: Cabin
- Part time: 5,425 hours
- Stage of operation: AP
- How discovered: C
- Nature of condition: H
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2009FA0000670

## Discrepancy

ELECTRICAL POWER FAILED AFTER GEAR EXTENSION. TROUBLESHOT SYS AND FOUND HIGH RESISTANCE IN MASTER SWITCH.

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