# SDR AT0400017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2004
- Submitted: September 9, 2004
- Operation: Air carrier
- Aircraft: [N959AT](https://openairdocs.org/aircraft/N959AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55021
- Engine: Rroyce BR700715A130
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Switch
- Part number: DT2RA7
- Condition: Inoperative
- Location: Mlg
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AT0400017

## Discrepancy

3 GEAR UNSAFE ON EXTENSION OF GEAR.  BAD SWITCH (S-189) REPLACED (P/N DT2R-A7) SENSING AND CONTROL MICRO SWITCH.

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