# SDR DXTA200500796

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2005
- Submitted: July 5, 2005
- Operation: Air carrier
- Aircraft: [N990QS](https://openairdocs.org/aircraft/N990QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500190
- System (JASC): [3213 · Main Landing Gear Strut/Axle/Truck](https://openairdocs.org/jasc/3213)
- Part: Strut
- Part number: 67940624
- Part serial: 750190
- Condition: Failed
- Location: Mlg
- Part time: 3,296 hours, 1,956 cycles
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200500796

## Discrepancy

AFTER TO GEAR RETRACTION NORMAL, A FEW MINUTES LATER GEAR MOVEMENT TYPE NOISE HEARD WITH NO LIGHTS OR PARTIAL EXTENSION.  NOISES FOLLOWED A FEW SECONDS LATER  BY RED 'UNLOCK' LIGHT NO EXTENSION AND HYD PRESSURES AND QTY'S NORMAL THROUGHOUT FLIGHT.  GEAR EXTENDED NORMALLY WHEN SELECTED DOWN. REMOVED AND REPLACED UPPER & LOWER BARREL ASSY. ON THE NOSE LANDING GEAR DUE TO INTERNAL FAILURE.  OPS AND LEAK CHECK NORMAL.  WORK IAW CESSNA 750 M/M CHPT 32-20-04.

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