# SDR DXTA200601768

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2006
- Submitted: December 7, 2006
- Operation: Air carrier
- Aircraft: [N909QS](https://openairdocs.org/aircraft/N909QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500009
- Aircraft time: 8,529 hours, 5,535 cycles
- Engine: Allsn AE3007C
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Metering Valve
- Part number: 99144682
- Part serial: 0026A
- Condition: Failed
- Location: Mlg
- Part time: 8,529 hours, 5,535 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200601768

## Discrepancy

AFTER TAKEOFF A LOUD BANG CAN BE HEARD AND FELT AS THE GEAR HANDLE IS RAISED.  LAST TAKEOFF AT -6C WAS THE MOST PRONOUNCED. REMOVED FAULTY BRAKE METERING VALVE AND INSTALLED NEW UNIT.  PERFORMED LEAK AND OPS CHECKED GOOD.  IAW MM 32-42-03.

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