# SDR SIMA990511

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N343SB](https://openairdocs.org/aircraft/N343SB), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B343
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: 93026310002
- Condition: Broken
- Location: Hydraulic System
- Stage of operation: CL
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA990511

## Discrepancy

LAX - FLT 3223 - MAIN HYDRAULIC PRESSURE INDICATION DROPPED TO ZERO IMMEDIATELY AFTER TAKEOFF.  EMERGENCY GEAR EXTENSION HANDLE PULLED PER QRH.  AIRCRAFT RETURNED TO LAX AND LANDED SAFELY.  FOUND FLEXIBLE HYDRAULIC LINE FROM HYDRAULIC PUMP TO FILTER BROKEN, RESULTING IN SYSTEM FLUID LOSS.  REMOVED AND REPLACED HYDRAULIC LINE AND SERVICED HYDRAULIC SYSTEM.  AIRCRAFT RETURNED TO SERVICE.  (X)

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