# SDR 2011FA0000699

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2011
- Submitted: October 26, 2011
- Operation: General aviation
- Aircraft: [N40SM](https://openairdocs.org/aircraft/N40SM), registered now
- Make and model: Gulstm 690B
- Aircraft serial: 11559
- Aircraft time: 6,842 hours
- Engine: Garrtt TPE331*
- System (JASC): [3213 · Main Landing Gear Strut/Axle/Truck](https://openairdocs.org/jasc/3213)
- Part: Strut
- Part number: ES12394
- Condition: Cracked
- Location: Mlg
- Part time: 6,842 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000699

## Discrepancy

LEFT MAIN GEAR STRUT WAS FLAT, TRIED TO SERVICE, WHEN WE APPLIED NITROGEN PRESSURE HYDRAULIC FLUID CAME OUT OF A 3 INCH LONG CRACK IN THE STRUT BODY AND BEARING ASSY.  AFTER TALKING WITH MFG THEY HAVE NEVER SEEN THIS TYPE OF FAILURE BEFORE.

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