# SDR MALA000336

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2000
- Submitted: May 31, 2000
- Operation: Air carrier
- Aircraft: N98XJ
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 098
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Control Valve
- Condition: Failed
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA000336

## Discrepancy

WHEN LANDING GEAR HANDLE BROUGHT DOWN, PUMP RAN CONTINIOUSLY, MAIN HYDRAULIC PRESSURE REMAINED AT 2800 PSI.  NEVER LOWERED INTRANSIT LIGHT REMAINED ON, DOWNLOCK LIGHT DIDN''T ILLUMINATE.  RAN ORH BLEW BOLTS, 3 GREEN.  MX REMOVED AND REPLACED LANDING GEAR CONTROL VALVE AND SEPARATION BOLTS.  REFERENCE UOU052660.

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