# SDR 99ZZZX4521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N2009Y](https://openairdocs.org/aircraft/N2009Y), registered now
- Make and model: Beech 76
- Registry model: [Beech 76](https://openairdocs.org/model/beech-76) (OpenAirDocs)
- Aircraft serial: ME74
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Cylinder
- Part number: 1053840023
- Condition: Failed
- Location: Mlg
- Part time: 3,771 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX4521

## Discrepancy

THE MAIN LANDING GEAR RETRACT CYLINDER PISTON ROD HAS EXTERNAL THREADS TO ACCEPT A ROD END.  THE PISTON ROD FAILED AT THE THREADS.  RECOMMEND THE THREADED PORTION OF THE PISTON ROD BE CLEANED AND INSPECTED AT REGULAR INTERVALS.

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