# SDR JGVR20200528001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2020
- Submitted: May 28, 2020
- Operation: General aviation
- Aircraft: [N796JH](https://openairdocs.org/aircraft/N796JH), registered now
- Make and model: Lear 45LEAR
- Aircraft serial: 306
- Aircraft time: 3,556 hours, 2,725 cycles
- System (JASC): [2932 · Hydraulic Pressure Sensor](https://openairdocs.org/jasc/2932)
- Part: Pressure Switch
- Condition: Leaking
- Location: Hydraulic Sys
- Stage of operation: TX
- How discovered: O
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/JGVR20200528001

## Discrepancy

WHILE TAXIING FOR DEPARTURE ALL HYDRAULIC PRESSURE WAS LOST ON RT HYDRAULIC SYSTEM. TROUBLESHOT AND FOUND RT HYDRAULIC PRESSURE SWITCH LEAKING. REPLACED THE FAILED SWITCH WITH NEW P/N 6629101004-001 S/N 1206. VISUAL INSPECTION OF THE OLD SWITCH SHOWS A PIECE OF SEALING/GASKET MATERIAL PROTRUDING FROM THE MANUFACTURER'S SPLIT FLANGES WHERE THE ELECTRICAL CONNECTOR END IS ASSEMBLED ONTO THE BODY OF THE SWITCH FASTENED WITH FOUR SCREWS. NOTE: TAG ON THE OLD SWITCH CONTAINS "SW PRESS FT 0912" AND "MFR98505-51158 S/N 2134" AND "24210SCD7629001004-001"

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