# SDR 2004F00143

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2004
- Submitted: May 25, 2004
- Operation: Air carrier
- Aircraft: N360LJ
- Make and model: Lear 35A
- Registry model: [Lear 35A](https://openairdocs.org/model/gates-learjet-35a) (OpenAirDocs)
- Aircraft serial: 360
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Switch
- Part number: 404EN876
- Condition: Failed
- Location: Rt Mlg
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004F00143

## Discrepancy

DURING TAXI, WITH ANTI-SKID SYSTEM ON, HYDRAULIC PRESSURE WAS PRESENT BUT NO BRAKING ACTION OCCURRED.  FURTHER INVESTIGATION REVEALED THAT THE RIGHT MLG DOWN SAFETY SWITCH FAILED.  SWITCH REPLACEMENT CORRECTED THE PROBLEM.  (M)

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