# SDR WWMA9700106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N313AE](https://openairdocs.org/aircraft/N313AE), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B313
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Hyd Line
- Part number: AIR124472
- Condition: Ruptured
- Location: Rt Mlg Brake
- Stage of operation: TX
- Nature of condition: K, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WWMA9700106

## Discrepancy

WHEN SETTING THE PARKING BRAKE THE HYDRAULIC PRESSURE WENT TO ZERO, LOSS OF HYDRAULICS DUE TO A RUPTURED LINE IN THE RIGHT MAIN LANDING GEAR.  MAINTENANCE REPLACED A SWIVAL JOINT ASSEMBLY AND THE BRAKE HOSE TO THE NR 4 BRAKE ASSEMBLY.

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