# SDR 9602076719

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N619US
- Make and model: Boeing 747251F
- Aircraft serial: 21321
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Shuttle Valve
- Condition: Failed
- Location: Nr 15 Brake
- 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/9602076719

## Discrepancy

DURING CLIMB AFTER LANDING GEAR RETRACTION, THE NR 4 HYDRAULIC QUANTITY WENT FROM 8 GALLONS TO 2 GALLONS AND THE LOW QUANTITY LIGHT ILLUMINATED.  THE NR 2 HYDRAULIC QUANTITY WENT FROM 5 GALLONS TO 8 GALLONS.  AIRCRAFT DIVERTED TO SEA AND LANDED WITHOUT INCIDENT.  REPLACED THE NR 15 BRAKE SHUTTLE VALVE AND OPERATIONAL CHECK GOOD.

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